pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4871-21301_BEAUTIFUL_DANUBE_Waltz_1.ps) >>/Users/jc/w/tmp/Tune-4871-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Kohlers/21301_BEAUTIFUL_DANUBE_Waltz_1.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_48711.log 264661 Log file, useful mostly for debugging
Coll_48714.log 261851 Log file, useful mostly for debugging
Form_48715.log 867 Log file, useful mostly for debugging
Tune-4871-21301_BEAUTIFUL_DANUBE_Waltz_1.abc 1304 ABC music file with the extracted tune(s)
Tune-4871-21301_BEAUTIFUL_DANUBE_Waltz_1.ps 40237 PostScript
Tune-4871-21301_BEAUTIFUL_DANUBE_Waltz_1.txt 1304 Plain-text file with the extracted tune(s)
Tune-4871-get.log 7621 Log file, useful mostly for debugging
Tune-48713-get.log 3730 Log file, useful mostly for debugging
Tune-48715-get.log 3716 Log file, useful mostly for debugging
Tune-48719-get.log 5944 Log file, useful mostly for debugging
These files should be available for 24 hours.