pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8912-20542_Richers_Hornpipe.ps) >>/Users/jc/w/tmp/Tune-8912-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP2/20542_Richers_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_89123.log 147366 Log file, useful mostly for debugging
Tune-8912-20542_Richers_Hornpipe.abc 664 ABC music file with the extracted tune(s)
Tune-8912-20542_Richers_Hornpipe.ps 34564 PostScript
Tune-8912-20542_Richers_Hornpipe.txt 664 Plain-text file with the extracted tune(s)
Tune-8912-get.log 10482 Log file, useful mostly for debugging
Tune-89120-get.log 8723 Log file, useful mostly for debugging
Tune-89121-get.log 10236 Log file, useful mostly for debugging
Tune-89122-get.log 9057 Log file, useful mostly for debugging
Tune-89123-get.log 4551 Log file, useful mostly for debugging
Tune-89124-get.log 16794 Log file, useful mostly for debugging
Tune-89126-get.log 8789 Log file, useful mostly for debugging
Tune-89127-get.log 3184 Log file, useful mostly for debugging
Tune-89128-get.log 10429 Log file, useful mostly for debugging
These files should be available for 24 hours.