pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-12944-30694_Delaware_Hornpipe.ps) >>/Users/jc/w/tmp/Tune-12944-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP3/30694_Delaware_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_12944.log 955 Log file, useful mostly for debugging
Tune-12944-30694_Delaware_Hornpipe.abc 739 ABC music file with the extracted tune(s)
Tune-12944-30694_Delaware_Hornpipe.ps 35867 PostScript
Tune-12944-30694_Delaware_Hornpipe.txt 739 Plain-text file with the extracted tune(s)
Tune-12944-get.log 5062 Log file, useful mostly for debugging
These files should be available for 24 hours.