AMS
The AMS page title expands to Mario Sequencer, though the supplied facts give no further details about its functions.
About AMS
Advanced Mario Sequencer (AMS) is a remake of the sequencer module from the SNES game Mario Paint. Users pick an instrument, click on a grid to place notes in chords, and play the song back as Mario hops across the notes. Samples come from the original Mario Paint sequencer, and additional samples can be added through SoundFonts.
Key features
- Place notes for several instruments on a chord grid
- Apply sharps or flats with Shift or Ctrl
- Adjust volume per chord by dragging a bar
- Erase notes with right-click or eraser mode
- Add bookmarks and speedmarks for playback jumps and tempo changes
- Import Mario Paint Composer files; save songs as .mss
Best for: People who want to compose music with Mario Paint sequencer samples, particularly on Windows, where the application still runs.
Good for
- Songs made with Mario Paint Composer can be imported through the File menu
- User-supplied SoundFonts extend the built-in Mario Paint samples
- Editing aids include eraser mode, loop playback, tempo entry and appendable chords
Watch out for
- The macOS version is unusable on recent OS versions because 64-bit support cannot be added
- Songs cannot be saved in the Mario Paint Composer format, only imported
- Volume is set for an entire chord, not separately for each note in it
AMS at a glance
- Website
- flyx.org/ams
- Category
- Lifestyle & Hobbies › Fun & Interesting Sites
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- macOS, Web, Windows
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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AMS FAQ
Does the macOS version still work?
No. The author no longer has access to the compiler and cannot update it with 64-bit support, so the macOS version is useless on recent OS versions. The Windows version is still working.
Can AMS open songs made with Mario Paint Composer?
Yes, using the Import MPC file option in the File menu. Songs cannot be saved back in the MPC format.
What file format does AMS use for its own songs?
Songs are saved with the .mss extension, which stands for Mario Sequencer Song. Unsaved work prompts to be saved before the application closes.
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