pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-10697-0839-IdleRoad.ps) >>/Users/jc/w/tmp/Tune-10697-get.log 2>&1" returned status 256
http://www.oldmusicproject.com/AA2ABC/0701-1200/ABC-0801-900/0839-IdleRoad.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
Tune-10697-0839-IdleRoad.abc 586 ABC music file with the extracted tune(s)
Tune-10697-0839-IdleRoad.ps 35205 PostScript
Tune-10697-0839-IdleRoad.txt 586 Plain-text file with the extracted tune(s)
Tune-10697-get.log 7874 Log file, useful mostly for debugging
These files should be available for 24 hours.