pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5100-slowsessiontunes.ps) >>/Users/jc/w/tmp/Tune-5100-get.log 2>&1" returned status 256
http://www.nku.edu/~curtin/slowsessiontunes.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
Coll_51005.log 929506 Log file, useful mostly for debugging
Find_51000.log 1530 Log file, useful mostly for debugging
Tune-5100-get.log 32594 Log file, useful mostly for debugging
Tune-5100-slowsessiontunes.abc 190 ABC music file with the extracted tune(s)
Tune-5100-slowsessiontunes.ps 34441 PostScript
Tune-5100-slowsessiontunes.txt 190 Plain-text file with the extracted tune(s)
Tune-51004-get.log 1401 Log file, useful mostly for debugging
Tune-51009-get.log 3015 Log file, useful mostly for debugging
These files should be available for 24 hours.