pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-74427-Evil_Diane-A-32-2.ps) >>/Users/jc/w/tmp/Tune-74427-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/Evil_Diane-A-32-2.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Coll_74427.log 1046360 Log file, useful mostly for debugging
Tune-74427-Evil_Diane-A-32-2.abc 439 ABC music file with the extracted tune(s)
Tune-74427-Evil_Diane-A-32-2.ps 34034 PostScript
Tune-74427-Evil_Diane-A-32-2.txt 439 Plain-text file with the extracted tune(s)
Tune-74427-get.log 4579 Log file, useful mostly for debugging
These files should be available for 24 hours.