pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-52889-8122_Frolick_and_Free.ps) >>/Users/jc/w/tmp/Tune-52889-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/JohnJohnson/8122_Frolick_and_Free.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_52889.log 829 Log file, useful mostly for debugging
Tune-52889-8122_Frolick_and_Free.abc 407 ABC music file with the extracted tune(s)
Tune-52889-8122_Frolick_and_Free.ps 34328 PostScript
Tune-52889-8122_Frolick_and_Free.txt 407 Plain-text file with the extracted tune(s)
Tune-52889-get.log 19317 Log file, useful mostly for debugging
These files should be available for 24 hours.