pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5628-30333_Somers_Waltz.ps) >>/Users/jc/w/tmp/Tune-5628-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP3/30333_Somers_Waltz.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_56280.log 441609 Log file, useful mostly for debugging
Coll_56289.log 452810 Log file, useful mostly for debugging
Form_56280.log 987 Log file, useful mostly for debugging
Form_56289.log 1034 Log file, useful mostly for debugging
Tune-5628-30333_Somers_Waltz.abc 716 ABC music file with the extracted tune(s)
Tune-5628-30333_Somers_Waltz.ps 32408 PostScript
Tune-5628-30333_Somers_Waltz.txt 716 Plain-text file with the extracted tune(s)
Tune-5628-get.log 4812 Log file, useful mostly for debugging
These files should be available for 24 hours.