pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5571-20291_Hamburg_Waltz.ps) >>/Users/jc/w/tmp/Tune-5571-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP2/20291_Hamburg_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
Tune-5571-20291_Hamburg_Waltz.abc 1117 ABC music file with the extracted tune(s)
Tune-5571-20291_Hamburg_Waltz.ps 39772 PostScript
Tune-5571-20291_Hamburg_Waltz.txt 1117 Plain-text file with the extracted tune(s)
Tune-5571-get.log 4839 Log file, useful mostly for debugging
Tune-55710-get.log 4449 Log file, useful mostly for debugging
Tune-55711-get.log 4383 Log file, useful mostly for debugging
Tune-55712-get.log 12978 Log file, useful mostly for debugging
Tune-55713-get.log 8488 Log file, useful mostly for debugging
Tune-55714-get.log 4504 Log file, useful mostly for debugging
Tune-55715-get.log 4511 Log file, useful mostly for debugging
Tune-55717-get.log 9368 Log file, useful mostly for debugging
Tune-55719-get.log 4519 Log file, useful mostly for debugging
These files should be available for 24 hours.