MATRIXSYNTH: DIY Raspberry PI multitrack Linux MIDI looper

Thursday, September 09, 2021

DIY Raspberry PI multitrack Linux MIDI looper

video upload by Floyd Steinberg

"Here's how to turn your Linux Raspberry PI into an easy-to-use, headless (works-without a screen and keyboard) multitrack MIDI looper / sequencer for controlling up to 16 hardware synths live. Table of contents:

00:00 short demo
00:22 introduction
00:50 hardware setup
01:24 software prerequisites
02:49 downloading, compiling and installing the sequencer
03:55 sequencer setup / listing and adding midi devices
05:39 preparing your master keyboard
06:08 midi tracks and filters introduction
06:23 midi track and filter setup
08:33 metronome setup
09:51 important considerations
10:32 loop setup
11:05 setting the tempo
11:21 loading and saving
11:47 example: recording an 8 bar loop
12:30 adding another track and another synth
14:00 mapping commands to a MIDI controller (nanoKONTROL2)
14:29 downloading and installing the midi - to - typewriter service
14:53 configuring the midi - to - typewriter service
17:54 running the service as a background task
18:53 advanced scripting
19:23 complete demo (8 bar loop with 3 external synths)
21:45 creating a boot script
22:25 conclusion / bye-bye


If you need some PI & MIDI basics, here's my PI playlist: [embedded below]
Example scripts (channel switching, recording, playing, stopping...) and config files you can adjust for your own setup:

Creating this video was a lot of work. If you found it useful, you can support what I'm doing here by:

- buying my music on
- stream my music
- buying my sample- and patchsets for various synths on (you can also download that for free, please leave a rating in that case)

Any of these are highly appreciated - thank you."

Floyd Steinberg PI Playlist

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