NONPLUSSED
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NONPLUSSED is a language for MIDI algorithmic composition, created by User:NoWhy, and inspired by false memories of Stockhausen's Kurzwellen score. The language is currently (October 8 2025, CET) a work in progress.
| Command | Description |
|---|---|
x
|
Play note |
_
|
Rest |
?
|
Chance to skip next character |
@
|
Warp to random @ |
5[]
|
Loop 5 times. Can be 0-9 |
+
|
Increase active counter |
-
|
Decrease active counter |
p
|
Switch to pitch counter |
d
|
Switch to duration counter |
v
|
Switch to velocity counter |
r
|
Randomize active counter |
o
|
Reset all values |
~
|
Increase speed |
^
|
Randomly pick between next two characters, skip the other. |
Default values for speed, pitch, duration and velocity, the meaning of speed and the increase/decrease amounts are left open to interpretation by the programmer. Each line corresponds to a MIDI channel.
Examples
A mono example using warps
5[r@x_xrx__x@xrxrxrx@_x_xrx_xx]
MIDI channel 0 and 1 use the same score
5[r@x_xrx__x@xrxrxrx@_x_xrx_xx] 5[r@x_xrx__x@xrxrxrx@_x_xrx_xx]
A longwinded example
v?-p7[r^36[x_x_x^_xxr]d9[+]px________?or]9[rx_xxx_x_x__x~5[~]] v?-p7[r^36[x_x_x^_xxr]d9[+]px________?or]9[rx_xxx_x_x__x~5[~]] v?-p7[r^36[x_x_x^_xxr]d9[+]px________?or]9[rx_xxx_x_x__x~5[~]]
Implementations
The current version is implemented in Processing and will be uploaded after more testing/improving. Might also be ported to microcontrollers.