ref: dc2cf82f3b8d54c0dbaad1256ccd206b7f8ec65e dir: /bin/metro/
#!/bin/rc rfork n cat <<! | mst | play -o /fd/1 | audio/pplay t $1 i 0 127 4 0c5 4 0c5 4 0c5 4 0c5 !