pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-85635-30402_Toms_Hornpipe.ps) >>/Users/jc/w/tmp/Tune-85635-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP3/30402_Toms_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
Form_85635.log 1014 Log file, useful mostly for debugging
Tune-85635-30402_Toms_Hornpipe.abc 773 ABC music file with the extracted tune(s)
Tune-85635-30402_Toms_Hornpipe.ps 35529 PostScript
Tune-85635-30402_Toms_Hornpipe.txt 773 Plain-text file with the extracted tune(s)
Tune-85635-get.log 4906 Log file, useful mostly for debugging
These files should be available for 24 hours.