pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4091-11431_.ps) >>/Users/jc/w/tmp/Tune-4091-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP1/11431_.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Tune-4091-11431_.abc 33 ABC music file with the extracted tune(s)
Tune-4091-11431_.ps 6 PostScript
Tune-4091-11431_.txt 33 Plain-text file with the extracted tune(s)
Tune-4091-get.log 3931 Log file, useful mostly for debugging
Tune-40917-20531_Spirits_of_France.abc 1279 ABC music file with the extracted tune(s)
Tune-40917-20531_Spirits_of_France.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-40917-20531_Spirits_of_France.ps 43421 PostScript
Tune-40917-20531_Spirits_of_France.txt 1279 Plain-text file with the extracted tune(s)
Tune-40917-get.log 5713 Log file, useful mostly for debugging
Tune-40918-20681_Holliss_Hornpipe.abc 670 ABC music file with the extracted tune(s)
Tune-40918-20681_Holliss_Hornpipe.txt 670 Plain-text file with the extracted tune(s)
Tune-40918-get.log 12555 Log file, useful mostly for debugging
These files should be available for 24 hours.