pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5654-Mad_Cap.ps) >>/Users/jc/w/tmp/Tune-5654-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Thompson/Mad_Cap.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_5654.log 228357 Log file, useful mostly for debugging
Tune-5654-Mad_Cap.abc 455 ABC music file with the extracted tune(s)
Tune-5654-Mad_Cap.ps 34814 PostScript
Tune-5654-Mad_Cap.txt 455 Plain-text file with the extracted tune(s)
Tune-5654-get.log 4337 Log file, useful mostly for debugging
Tune-56540-get.log 4259 Log file, useful mostly for debugging
Tune-56541-get.log 4581 Log file, useful mostly for debugging
Tune-56545-Gow-CSR2-abc2.abc 148 ABC music file with the extracted tune(s)
Tune-56545-Gow-CSR2-abc2.pdf 2217 Portable Data Format
Tune-56545-Gow-CSR2-abc2.ps 6 PostScript
Tune-56545-Gow-CSR2-abc2.txt 148 Plain-text file with the extracted tune(s)
Tune-56545-get.log 13060 Log file, useful mostly for debugging
These files should be available for 24 hours.