pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2933-11441_.ps) >>/Users/jc/w/tmp/Tune-2933-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP1/11441_.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_29335.log 261012 Log file, useful mostly for debugging
Tune-2933-11441_.abc 33 ABC music file with the extracted tune(s)
Tune-2933-11441_.ps 6 PostScript
Tune-2933-11441_.txt 33 Plain-text file with the extracted tune(s)
Tune-2933-get.log 7920 Log file, useful mostly for debugging
Tune-29330-get.log 4535 Log file, useful mostly for debugging
Tune-29333-get.log 11670 Log file, useful mostly for debugging
Tune-29334-get.log 9169 Log file, useful mostly for debugging
Tune-29335-get.log 8981 Log file, useful mostly for debugging
Tune-29337-get.log 6448 Log file, useful mostly for debugging
Tune-29339-get.log 8497 Log file, useful mostly for debugging
These files should be available for 24 hours.