pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7737-20712_Fly_Hornpipe.ps) >>/Users/jc/w/tmp/Tune-7737-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP2/20712_Fly_Hornpipe.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_77370.log 227316 Log file, useful mostly for debugging
Tune-7737-20712_Fly_Hornpipe.abc 658 ABC music file with the extracted tune(s)
Tune-7737-20712_Fly_Hornpipe.ps 35885 PostScript
Tune-7737-20712_Fly_Hornpipe.txt 658 Plain-text file with the extracted tune(s)
Tune-7737-get.log 9327 Log file, useful mostly for debugging
Tune-77372-get.log 3250 Log file, useful mostly for debugging
Tune-77373-get.log 11278 Log file, useful mostly for debugging
Tune-77374-get.log 5458 Log file, useful mostly for debugging
Tune-77375-get.log 12961 Log file, useful mostly for debugging
Tune-77377-get.log 4603 Log file, useful mostly for debugging
Tune-77379-get.log 5021 Log file, useful mostly for debugging
These files should be available for 24 hours.