NASequencer

macOS / Musique

NASequencer is a text-based MIDI composer. It focuses on quick composing and easy management. Generally, plain-text is easy to edit and manage, however it can often be unreadable in music composition. NASequencer assists you in understanding the structure of a composition with real-time piano roll and event list previews. Additionally, it assists you to check sound of ensemble by SoundFont synthesizer.

*** Basic Features ***

Playback
• Mixer Control
• SoundFont Synthesizer

Preview Sequence
• Piano Roll
• Event List

Editor Options
• Embedded Editor with Automatic Color Coding
• External Editors Supported

Supported Languages
• Note as Sequence*
• ABC Notation Version 2.1
• Music Macro Language

* NASequencer original format. Focused on readability and designed to resemble what you see in the event list.


*** Full Version ***

Additional Synthesizers
• Support for loading additional synthesizers*
• Mix multiple sounds from different SoundFonts

* In SoundFont format (.sf2 files)

Export
• Standard MIDI File (Format 1)
• Waveform Audio File Format (WAV 44.1kHz Linear PCM 16bit stereo)
• Advanced Audio Coding (AAC 44.1kHz 192kbps stereo)

Quoi de neuf dans la dernière version ?

[Fixes for functional issues]
- Crash when exporting to AAC on macOS 13.5 and later
- Wrong beat position on the measure after 1/8 time sign
- Voice would occasionally cut off immediately after the note-on event

[Maintenance update]
- Support Mac computers with Apple silicon architecture
- Raise the minimum macOS deployment target to 10.13 in accordance with support scope of Xcode 26.2
- Fix issues with running on macOS 26.2
- Fix codes using deprecated APIs in preparation for future OS updates
- And other minor bug fixes and display issue corrections