pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6022-dt-songs.ps) >>/Users/jc/w/tmp/Tune-6022-get.log 2>&1" returned status 256
http://jjaquier.free.fr/midifiles/abc/abc/dt-songs.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Form_60225.log 479 Log file, useful mostly for debugging
Tune-6022-dt-songs.abc 1346 ABC music file with the extracted tune(s)
Tune-6022-dt-songs.ps 38802 PostScript
Tune-6022-dt-songs.txt 1346 Plain-text file with the extracted tune(s)
Tune-6022-get.log 4343 Log file, useful mostly for debugging
These files should be available for 24 hours.