pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-63872-Colemans_1.ps) >>/Users/jc/w/tmp/Tune-63872-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Perron-Miller/Colemans_1.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-63872-Colemans_1.abc 495 ABC music file with the extracted tune(s)
Tune-63872-Colemans_1.ps 34410 PostScript
Tune-63872-Colemans_1.txt 495 Plain-text file with the extracted tune(s)
Tune-63872-Trip_to_the_Nunry.abc 980 ABC music file with the extracted tune(s)
Tune-63872-Trip_to_the_Nunry.pdf 20644 Portable Data Format
Tune-63872-Trip_to_the_Nunry.ps 35588 PostScript
Tune-63872-Trip_to_the_Nunry.txt 980 Plain-text file with the extracted tune(s)
Tune-63872-get.log 9996 Log file, useful mostly for debugging
These files should be available for 24 hours.