pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8761-1321_BIRDS_WALTZ.ps) >>/Users/jc/w/tmp/Tune-8761-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/BostonCollection/1321_BIRDS_WALTZ.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-8761-1321_BIRDS_WALTZ.abc 1254 ABC music file with the extracted tune(s)
Tune-8761-1321_BIRDS_WALTZ.ps 44257 PostScript
Tune-8761-1321_BIRDS_WALTZ.txt 1254 Plain-text file with the extracted tune(s)
Tune-8761-get.log 4767 Log file, useful mostly for debugging
Tune-87612-get.log 1501 Log file, useful mostly for debugging
Tune-87615-2377_Celebrated_Stop_Hornpipe.abc 460 ABC music file with the extracted tune(s)
Tune-87615-2377_Celebrated_Stop_Hornpipe.pdf 11448 Portable Data Format
Tune-87615-2377_Celebrated_Stop_Hornpipe.ps 34253 PostScript
Tune-87615-2377_Celebrated_Stop_Hornpipe.txt 460 Plain-text file with the extracted tune(s)
Tune-87615-get.log 10639 Log file, useful mostly for debugging
Tune-87616-get.log 3988 Log file, useful mostly for debugging
Tune-87618-get.log 6869 Log file, useful mostly for debugging
These files should be available for 24 hours.