pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-72514-VCB2.ps) >>/Users/jc/w/tmp/Tune-72514-get.log 2>&1" returned status 256
http://jjaquier.free.fr/midifiles/abc/VCB2.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
Tune-72514-VCB2.abc 389 ABC music file with the extracted tune(s)
Tune-72514-VCB2.ps 38584 PostScript
Tune-72514-VCB2.txt 389 Plain-text file with the extracted tune(s)
Tune-72514-get.log 4037 Log file, useful mostly for debugging
These files should be available for 24 hours.