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harmonySEQ - Man Page

MIDI sequencer designed for live performances


harmonySEQ [OPTION...] [FILE]


A MIDI software sequencer designed for live performances and jams.

harmonySEQ(1) operates a number of synchronized sequencers, each with its own pattern, repeating looped melodies of different length, duration and MIDI channel.

Main features include:

As for now harmonySEQ(1) works on Linux only.

It uses ALSA (asound) library, and GTKmm for graphical interface.

No official user documentation exists at the moment, but you can refer to UI tooltips – nearly everything has a detailed explanation.

More information can be found on the project’s website.


-d,  --debug

enters debug mode, prints lots of debug messeges


passes the midi events through the program by default


prints a help message and exits


prints the program version


April 2021