pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5686-EverydaySongBook1.ps) >>/Users/jc/w/tmp/Tune-5686-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/GoldenBookOfFavoriteSongs/EverydaySongBook1.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Form_56864.log 873 Log file, useful mostly for debugging
Tune-5686-EverydaySongBook1.abc 267190 ABC music file with the extracted tune(s)
Tune-5686-EverydaySongBook1.ps 1384259 PostScript
Tune-5686-EverydaySongBook1.txt 267190 Plain-text file with the extracted tune(s)
Tune-5686-get.log 156337 Log file, useful mostly for debugging
Tune-56860-get.log 12685 Log file, useful mostly for debugging
Tune-56861-get.log 5393 Log file, useful mostly for debugging
Tune-56863-get.log 4041 Log file, useful mostly for debugging
Tune-56868-get.log 10878 Log file, useful mostly for debugging
Tune-56869-get.log 4817 Log file, useful mostly for debugging
These files should be available for 24 hours.