pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9096-10351_Steamboat_Waltz.ps) >>/Users/jc/w/tmp/Tune-9096-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP1/10351_Steamboat_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_90967.log 524212 Log file, useful mostly for debugging
Tune-9096-10351_Steamboat_Waltz.abc 666 ABC music file with the extracted tune(s)
Tune-9096-10351_Steamboat_Waltz.ps 33469 PostScript
Tune-9096-10351_Steamboat_Waltz.txt 666 Plain-text file with the extracted tune(s)
Tune-9096-get.log 9268 Log file, useful mostly for debugging
Tune-90961-get.log 4670 Log file, useful mostly for debugging
Tune-90962-get.log 10081 Log file, useful mostly for debugging
Tune-90963-get.log 8177 Log file, useful mostly for debugging
Tune-90964-get.log 4704 Log file, useful mostly for debugging
Tune-90965-get.log 13957 Log file, useful mostly for debugging
Tune-90966-get.log 4968 Log file, useful mostly for debugging
Tune-90968-get.log 5811 Log file, useful mostly for debugging
These files should be available for 24 hours.