pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-626-v2tune.ps) >>/Users/jc/w/tmp/Tune-626-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP1/v2tune.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_6261.log 149255 Log file, useful mostly for debugging
Tune-626-get.log 4797 Log file, useful mostly for debugging
Tune-626-v2tune.abc 509 ABC music file with the extracted tune(s)
Tune-626-v2tune.ps 30538 PostScript
Tune-626-v2tune.txt 509 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.