FAQ

Open the metronome, set the tempo in BPM, time signature and subdivision, then press Play. You do not need to create a playlist or an exercise. Adjust the accents and volume to suit your practice. Stop ends the performance.

Pause suspends playback and practice time. Resume lets you continue; in an individual exercise, it keeps your position within the rhythm. Stop ends the current performance and saves the actual practice time. Starting again begins a new performance.

Statistics show your actual playing time, including practice with just the metronome. Pauses, breaks and previews do not add practice time. History keeps the settings used during each performance: editing or deleting an exercise later does not rewrite past results.

Sign in and choose Menu → Playing with backing tracks. Click + (Choose MP3 file), select a recording from your device and check its original BPM. If the file contains a tempo tag, Rytmium reads it; otherwise, enter the tempo before pressing Start for the first time. Set your practice tempo and press Start. The app prepares the audio and plays from the Start marker to the End marker. With Start at 0, it counts in for two bars first; with a later start, it plays immediately. The section repeats until Stop. Drumless versions, which have no drums, are useful for drum practice; Rytmium does not remove instruments from songs.

You can use mono or stereo MP3 files up to 25 MiB and 5 minutes long. The original tempo must be between 30 and 300 BPM and may include decimals. Recordings with a steady tempo that start on the first beat of a bar work best. New files use a 4/4 time signature, shown in the track panel; it cannot currently be edited there. The app does not automatically detect tempo from audio or support tempo maps.

Set the practice tempo with the dial, −/+ buttons, BPM field or by tapping the pulse with Tap. You can choose 50% to 200% of the original tempo, within 30–300 BPM, in whole BPM. For example, a 120 BPM recording allows practice at 60–240 BPM. Pitch stays the same, although large tempo changes may affect the sound of attacks. To change tempo during a session, press Stop first; pausing alone does not unlock the tempo controls. The next Start prepares a new version.

Adjust music and click volumes separately; set the metronome to 0 for music alone. When you first play a track and after changing the tempo, Rytmium automatically analyzes sound attacks and synchronizes the backing track with the click at the selected tempo. Further starts at the same tempo reuse the result without another analysis. You can turn synchronization off using its icon — the track then plays with its original starting alignment, without correction relative to the click. The selected tempo and Start/End markers still apply.

Start begins playback at the Start marker, and End marks the repeat boundary. The whole song is selected by default. With Start at 0, every pass begins with a two-bar count-in: in 4/4, “1, 2; 1, 2, 3, 4”. With a later Start, the first Play begins immediately; reaching End is followed by 3 seconds of silence before the next pass. Looping continues until Stop. Pause holds the music, count-in or rest, and Start resumes from that point. Stop ends the session and returns to the selected start; it can also cancel preparation. Hiding the app pauses playback or cancels preparation. Returning does not restart audio automatically.

Yes. Drag the Start and End markers on the timeline to select the loop section; the minimum length is 0.1 s. You can also use the keyboard: arrows move a boundary by 0.1 s, Shift with an arrow by 1 s, Page Up/Down by 5 s, and Home/End to its allowed limit. During playback, new boundaries apply from the next cycle, after the current End is reached. Boundaries are saved locally for each file. The separate position slider seeks within the current section without adding practice time; seeking while paused does not resume playback. Seeking is unavailable during preparation, count-in and rests. Times refer to the original file, so 1:30 selects the same part at any BPM. A new Play after Stop always starts at the Start marker.

The timer measures actual active playing time, not the length of the file. Preparation, count-ins, three-second rests between repeats, pauses and jumps with the slider do not count. After Stop, the total active time from all repeats goes into your account’s practice history and statistics. In Statistics, the Most practised section groups all backing tracks and tempos within the selected date range under Playing with backing tracks; it does not rank individual song names. If saving fails, use the retry button beside the error message.

No. Neither the recording nor its filename is sent to the server. Rytmium reads audio from your device and prepares it locally for practice. The list stores file information, settings and, where the browser supports it, permission to access the file again locally, rather than copies of recordings. Your account receives the practice data needed for history and statistics. The backing-track module does not let you publish MP3 files or send them to other users.

Your backing-track list belongs to your account in that browser on that device; it does not sync across devices. After refreshing, select a saved entry. The browser may ask for permission to read it again or ask you to select the same file. Selecting a file with the same name, size and modification date restores its settings. If you move the file, switch browsers or clear site data, you may need to add the recording again. Removing a list entry does not delete the original MP3 from your device or your saved practice history.

Click the fullscreen button in the top-right corner of the player. Focus mode expands the app’s workspace and hides the header, footer and support panel. The track list, tempo, playback controls, position slider and both volume controls remain available. Click the button again or press Escape to restore the normal view without interrupting the music.

The playlist contains named songs with BPM and meter. Selecting a song sets the metronome; you choose subsequent songs manually. Use Exercises for rhythms, named exercise patterns, and a structure with repeated occurrences.

Set the BPM and time signature, open Playlist, click the plus icon, enter a title and save. To change an existing song, select it, set a new BPM or time signature and click the save icon. Drag the handle beside an entry to reorder it. The delete icon removes it from the list while keeping its practice history.

A rhythm is one element with its own subdivision and hits. A named pattern, such as Verse, contains one or more rhythms played in order. The structure defines the order of patterns and how many complete times each plays. Together with a name, tempo and meter, it forms a saved exercise.

Open Exercises → Exercise library → New exercise. Set the name, tempo, meter and tags. Add patterns, prepare their rhythms and drag their badges into the structure or use + beside a name. Set repetitions, preview the sequence and save the exercise. Apply closes the pattern editor; Save persists the whole exercise.

Click the pattern name and choose Add rhythm. Each rhythm has its own name and subdivision; the snare icon opens the hit editor. Drag the handles beside rhythm names to reorder them. Verse can contain several rhythms without a single multi-bar grid. Close changes to Apply when you modify the pattern.

Add the same badge to the structure again. Each entry has its own repetition count but references the same pattern: editing it updates every occurrence in this exercise. A pattern of three one-bar rhythms played four times takes 12 bars. Drag handles reorder entries; the bin removes only that occurrence.

Enable the switch beside the crash icon on a structure entry. It replaces the cymbal on the first beat of entry, only on the first repetition of that entry. For example, Fill A → Verse × 8 with crash enabled plays one crash when Verse starts, not eight.

On the Exercises screen, click one or more entries. Play beside the main clock plays selected entries in sequence order; looping repeats that selection. Click again to deselect. With nothing selected, the entire exercise plays. Changing the selection during playback stops practice — press Play again.

Play in the pattern editor heading plays the entire pattern once. Play on a structure entry includes its execution count and entry crash. The structure preview plays entries in order. Previews have no count-in and do not record time in statistics. Use the main playback outside the editor for training.

Save the current exercise and click a badge name to open its pattern. Choose Save as a separate exercise and enter a name. This creates an independent pattern copy with one full execution in its structure, without the entry crash. Tempo, meter, rhythms and the exercise's loop and time-limit settings are preserved. It appears in your private library without changing the current training selection. Later pattern edits do not change the copy. This also works offline.

No. Replacing or removing the current selection leaves the exercise in your library. You can select it again. Deleting your own library entry also removes its training selection. Completed practice history is preserved.

When creating or editing an exercise, click the waveform icon beside Basic information. Cues are off by default. The slider controls names and counting, starting at 70%. Save the exercise to keep your choice.

Pattern names and playlist announcements use Achernar. Gemini detects whether the text is Polish, German or English. Names are not translated, so Five Stroke Roll can be spoken in English with a Polish interface. Mixed text uses one dominant language. Rytmium stores the decision and recording for reuse across accounts and devices. Later uses do not repeat analysis or synthesis. Your browser downloads an offline copy. Counting stays in the interface language.

Achernar is fixed for names and counting. Each exercise has its own volume, which does not regenerate audio. Counting uses bundled recordings on quarter notes. Short transitions or long names may leave only the final numbers; names that cannot fit before counting are skipped.

Click the download arrow beside an exercise in the library. The Exercises screen holds one selected exercise: choosing another replaces it, while the previous one remains in the library. Your account remembers the selection; the screen is empty before your first choice. Downloading someone else’s public or shared exercise also creates an independent copy in your library.

In My sets you can edit your exercises and delete them using the bin. In Public sets and Shared with me, the eye opens a read-only exercise card: inspect patterns and listen, but do not change data. Download the exercise to practice to get your own editable copy.

Copy creates a separate exercise in your library. Changes to the copy do not affect the original. Copying alone does not select the exercise for practice — use the download arrow for that.

The star adds an exercise to your favorites; click again to remove it. This is a personal account preference, separate from selecting an exercise for practice. Favorites in your own library also work in prepared offline mode.

Each signed-in user can give an exercise one thumbs-up and withdraw it by clicking again. The number beside the thumb totals all users’ likes. Likes require an internet connection and are separate from your favorites.

Click the share icon on your own exercise in the library. Search for people by nickname or public email and select them from the results, or turn on sharing with everyone. Save the settings. Selected recipients will find the entry in Shared with me; a public exercise appears in Public sets. Sharing requires a server connection and access to the feature on your account.

No. Sharing for the first time saves a separate copy of the exercise. Later edits stay in your own version. When you want to share them, save the exercise and click the Send changes icon beside the Shared or Public badge. Recipients see the new version when they load the library again. Changing the recipient list alone does not send your draft edits.

No. Adding someone else's exercise to your exercises creates an independent copy in your library. You can edit it, and the author's Send changes action will not overwrite it. Withdrawing access or deleting the original does not delete your copy either. To download a newer version, add it again from Public sets or Shared with me; your earlier copy remains separate.

Sign in while connected to the internet, open Menu → Settings → Offline metronome and enable offline mode. Wait for the ready message before switching to airplane mode. This prepares the current browser on this device. Download any other people's exercises you need into your own library first: Public sets and Shared with me require a connection.

With offline mode enabled, changes are first saved on your device and synchronize with your account when the connection returns. Open the cloud indicator to check pending saves and choose Sync now. If asked to sign in, use the same account. Do not clear site data before synchronization finishes. Synchronizing your exercise edits does not replace Send changes for recipients.

The icon beside the cloud indicator means a new version is available. End practice with Stop, save or cancel edits, close dialogs and wait for synchronization. Clicking update reloads the app; you do not need to reinstall it. If updating is blocked, a message tells you what still needs to finish. With offline mode active, the complete set of downloaded files is checked before reloading.

The drum grid, sound selection and dynamics controls need room for precise hit editing. Rhythm grid editing is therefore available on large screens — preferably a computer. A pattern can contain several such rhythms.

On a phone you can download exercises from the library, play them and practise selected sequence entries. To create or change rhythm hits, open Rytmium on a larger screen.

In “Hit volume”, choose 100%, 80%, 60%, 40% or 20%, then place hits on the grid. The default is 80%. Each hit can have its own level.

Snare — volume and sound character

The snare uses three separate recordings: accent, normal and ghost. The percentage represents a dynamic level, rather than simply the volume of one sample:

• 100% — the accent sample at 85% of its base volume.
• 80% — the normal sample at its base volume.
• 60% — the normal sample at 75% of its base volume.
• 40% — the ghost sample at its base volume.
• 20% — the ghost sample at 50% of its base volume.

Other instruments — volume adjustment

Hi-hats, ride, ride bell, crash, kick and toms keep the selected sample. Only its level changes: 100%, 80%, 60%, 40% or 20% of that sound’s base volume. For example, 60% means a gain multiplier of 0.6. Choosing a lower level does not switch to a different sound.