pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7538-30163_Apple_Island_Waltz.ps) >>/Users/jc/w/tmp/Tune-7538-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP3/30163_Apple_Island_Waltz.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_75388.log 461208 Log file, useful mostly for debugging
Form_75384.log 1007 Log file, useful mostly for debugging
Tune-7538-30163_Apple_Island_Waltz.abc 708 ABC music file with the extracted tune(s)
Tune-7538-30163_Apple_Island_Waltz.ps 34203 PostScript
Tune-7538-30163_Apple_Island_Waltz.txt 708 Plain-text file with the extracted tune(s)
Tune-7538-get.log 4926 Log file, useful mostly for debugging
These files should be available for 24 hours.