pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-41919-1231-the_Spanish_Cavalier-v1.ps) >>/Users/jc/w/tmp/Tune-41919-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/GoldenBookOfFavoriteSongs/1231-the_Spanish_Cavalier-v1.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-41919-1231-the_Spanish_Cavalier-v1.abc 3323 ABC music file with the extracted tune(s)
Tune-41919-1231-the_Spanish_Cavalier-v1.ps 48593 PostScript
Tune-41919-1231-the_Spanish_Cavalier-v1.txt 3323 Plain-text file with the extracted tune(s)
Tune-41919-get.log 5045 Log file, useful mostly for debugging
These files should be available for 24 hours.