Awesome

line

A tiny command-line midi sequencer for live coding. (ableton link compatible version)

Sends MIDI messages to a chosen MIDI channel. Default is 1.
1 instrument or 1 CC

To some videos live coding with it go here.(twitter)

7 instances of line running simultaneously. 1 for notes, 6 cc. (Using tmux to split macOS terminal into 7 terminals)

MacOS ready-to-run builds

There's a Mac/M1/M2 build ready

Go to Actions page > latest workflow run > section Artifacts, download and unzip the file
Go to the build folder, type ./line and press Enter

There's a Mac/Intel build ready

Just unzip line_0.5.25_ablt_lnk_Mac_Intel_build.zip file
Go to the build folder, type ./line and press Enter

What you need to build line

readline library (should be already on your system, if not, you have to install it)
jack library (only for Linux. It is not installed by default. If the computer has no audio/music production sofware succefully used then a jack installation is needed)
CMake

To clone this repo with rtmidi and link submodules included

git clone --recursive https://github.com/pd3v/line.git

Build and run line

(CMake is necessary)

Go to line's folder

In command-line, type (1. as Admin) and Enter:

./build.sh
cd build
./line

Now run your favorite synth, sampler, DAW, or other MIDI receiver!

Manual

With line running, type:

Send a MIDI message:

4 1/4 midi notes

45 46 47 48 or a3 as3 b3 c4

1/4 1/8 1/8 1/4 1/4 notes

45 .34 35. 48 49 or a3 .as2 b2. c4 cs4

'-' for a silent note

36 .37 38. 41 .- 46.

C Major chord + C Major arpeggio. All 1/4

(c3 e3 g3) g5 e6 c2

d note with 0.5 of amplitude

d3~.5

C Minor chord with 0.7 of amplitude

(c4 eb4 g4)~.7

Note: amplitude is 1.0, by default

Set a MIDI channel:

channel 2

ch2

Set bpm:

120 bpm

bpm120

Set a range of values (MIDI default):

minimum is 100

mi100

maximum is 1000

ma1000

Set overall relative amplitude:

50% of previous overall amplitude

am50

Concatenate phrase n times:

concat phrase 4x

*4

Set phrase duration n times:

Increase phrase duration 8x

/8

Mute and unmute:

m and um

Reverse:

r

Scramble:

scrambles notes within each rhythmic part and rhythmic structure

s

Extra scramble:

scrambles notes across the phrases and rhythmic structure

x

Amplitude Scramble and Extra Scramble:

sa and xa

Save phrase to a queue:

place it on top of the queue; position 0

sp

replace phrase in position 3

sp3

Load phrase:

load postion 0 phrase; it will play next

lp0 or :0

List saved phrases

l

Save queued phrases to .line (= txt) file

Will assume prompt text as file name

sf

Save file with mysynth.line name

sfmysynth

Note: Will also save line instance parameters (prompt, channel, notes/cc, range of values)

Load .line file to line

Load sampler.line

lfsampler

Note: Will apply to line instance saved parameters

Switch between notes and cc modes:

notes mode

n

cc mode on channel 2

cc2

Set cc sync:

In-sync or Out-sync

i or o

Relabel prompt:

from default line> to _my_synth>, type:

lbmy_synth

Exit:

ex

Display commands menu/extended menu:

ms or me

Set latency: (ableton link's compatible line version only)

subtract 10 ms

lt10