pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6189-20594_Ives_Hornpipe.ps) >>/Users/jc/w/tmp/Tune-6189-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP2/20594_Ives_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
Tune-6189-20594_Ives_Hornpipe.abc 662 ABC music file with the extracted tune(s)
Tune-6189-20594_Ives_Hornpipe.ps 35340 PostScript
Tune-6189-20594_Ives_Hornpipe.txt 662 Plain-text file with the extracted tune(s)
Tune-6189-get.log 10506 Log file, useful mostly for debugging
Tune-61890-get.log 13322 Log file, useful mostly for debugging
Tune-61891-get.log 3408 Log file, useful mostly for debugging
Tune-61894-get.log 4482 Log file, useful mostly for debugging
Tune-61895-get.log 9516 Log file, useful mostly for debugging
Tune-61899-get.log 11792 Log file, useful mostly for debugging
These files should be available for 24 hours.