pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9321-ViolaRuth_AdvancedSD.ps) >>/Users/jc/w/tmp/Tune-9321-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ViolaRuth_AdvancedSD.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_93219.log 922862 Log file, useful mostly for debugging
Tune-9321-ViolaRuth_AdvancedSD.abc 20254 ABC music file with the extracted tune(s)
Tune-9321-ViolaRuth_AdvancedSD.ps 237528 PostScript
Tune-9321-ViolaRuth_AdvancedSD.txt 20254 Plain-text file with the extracted tune(s)
Tune-9321-get.log 27023 Log file, useful mostly for debugging
Tune-93218-get.log 4745 Log file, useful mostly for debugging
These files should be available for 24 hours.