pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-30321-New_Daniel_Cooper.ps) >>/Users/jc/w/tmp/Tune-30321-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Thompson/New_Daniel_Cooper.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_30321.log 837 Log file, useful mostly for debugging
Tune-30321-Gow-CSR-abc2.abc 150 ABC music file with the extracted tune(s)
Tune-30321-Gow-CSR-abc2.ps 6 PostScript
Tune-30321-Gow-CSR-abc2.txt 150 Plain-text file with the extracted tune(s)
Tune-30321-New_Daniel_Cooper.abc 426 ABC music file with the extracted tune(s)
Tune-30321-New_Daniel_Cooper.ps 33151 PostScript
Tune-30321-New_Daniel_Cooper.txt 426 Plain-text file with the extracted tune(s)
Tune-30321-get.log 8653 Log file, useful mostly for debugging
These files should be available for 24 hours.