pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-88161-CockleGathererR.ps) >>/Users/jc/w/tmp/Tune-88161-get.log 2>&1" returned status 256
http://terrytraub.org/abc/CockleGathererR.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-88161-CockleGathererR.abc 262 ABC music file with the extracted tune(s)
Tune-88161-CockleGathererR.ps 33189 PostScript
Tune-88161-CockleGathererR.txt 262 Plain-text file with the extracted tune(s)
Tune-88161-get.log 4504 Log file, useful mostly for debugging
These files should be available for 24 hours.