pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3835-Stormy_Voyage-Dm-16-4.ps) >>/Users/jc/w/tmp/Tune-3835-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ONeills/march/Stormy_Voyage-Dm-16-4.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_38353.log 703131 Log file, useful mostly for debugging
Tune-3835-Stormy_Voyage-Dm-16-4.abc 509 ABC music file with the extracted tune(s)
Tune-3835-Stormy_Voyage-Dm-16-4.ps 34896 PostScript
Tune-3835-Stormy_Voyage-Dm-16-4.txt 509 Plain-text file with the extracted tune(s)
Tune-3835-get.log 4752 Log file, useful mostly for debugging
Tune-38350-get.log 5404 Log file, useful mostly for debugging
Tune-38351-get.log 5394 Log file, useful mostly for debugging
Tune-38355-get.log 4390 Log file, useful mostly for debugging
Tune-38359-get.log 4502 Log file, useful mostly for debugging
These files should be available for 24 hours.