pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7387-10431_Devils_Dream.ps) >>/Users/jc/w/tmp/Tune-7387-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP1/10431_Devils_Dream.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-7387-10431_Devils_Dream.abc 653 ABC music file with the extracted tune(s)
Tune-7387-10431_Devils_Dream.ps 35082 PostScript
Tune-7387-10431_Devils_Dream.txt 653 Plain-text file with the extracted tune(s)
Tune-7387-get.log 4913 Log file, useful mostly for debugging
Tune-73870-get.log 4467 Log file, useful mostly for debugging
Tune-73871-get.log 8812 Log file, useful mostly for debugging
Tune-73872-get.log 4390 Log file, useful mostly for debugging
Tune-73874-get.log 9195 Log file, useful mostly for debugging
Tune-73875-get.log 10114 Log file, useful mostly for debugging
These files should be available for 24 hours.