pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-99215-x11.ps) >>/Users/jc/w/tmp/Tune-99215-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Contra/x11.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-99215-get.log 3728 Log file, useful mostly for debugging
Tune-99215-x11.abc 171 ABC music file with the extracted tune(s)
Tune-99215-x11.ps 32395 PostScript
Tune-99215-x11.txt 171 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.