pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6046-_.ps) >>/Users/jc/w/tmp/Tune-6046-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Contra/_.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_60467.log 126679 Log file, useful mostly for debugging
Tune-6046-_.abc 156 ABC music file with the extracted tune(s)
Tune-6046-_.ps 30580 PostScript
Tune-6046-_.txt 156 Plain-text file with the extracted tune(s)
Tune-6046-get.log 3669 Log file, useful mostly for debugging
Tune-60460-get.log 6225 Log file, useful mostly for debugging
Tune-60464-get.log 4367 Log file, useful mostly for debugging
Tune-60468-get.log 13402 Log file, useful mostly for debugging
These files should be available for 24 hours.