ref: 96e9f3707cdc0b76e019f444c24869fecc7b5a21
dir: /rc/bin/dmus/
#!/bin/rc
if(test -f /tmp/genmidi.*)
c=(games/dmid -i /tmp/genmidi.* '|' games/opl3)
if not
c=(games/midi -c)
if(~ `{file -m $1} audio/mus)
c=(games/mus '<' $1 '|' $c)
if not
c=('<' $1 $c)
eval $c