pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5705-10322_Mozarts_Waltz.ps) >>/Users/jc/w/tmp/Tune-5705-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP1/10322_Mozarts_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_57055.log 164267 Log file, useful mostly for debugging
Tune-5705-10322_Mozarts_Waltz.abc 684 ABC music file with the extracted tune(s)
Tune-5705-10322_Mozarts_Waltz.ps 35971 PostScript
Tune-5705-10322_Mozarts_Waltz.txt 684 Plain-text file with the extracted tune(s)
Tune-5705-get.log 12964 Log file, useful mostly for debugging
Tune-57051-get.log 1409 Log file, useful mostly for debugging
Tune-57054-get.log 18603 Log file, useful mostly for debugging
Tune-57055-get.log 8024 Log file, useful mostly for debugging
Tune-57056-get.log 5090 Log file, useful mostly for debugging
Tune-57057-get.log 11894 Log file, useful mostly for debugging
Tune-57058-get.log 3036 Log file, useful mostly for debugging
These files should be available for 24 hours.