pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5472-x7.ps) >>/Users/jc/w/tmp/Tune-5472-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Contra/x7.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_5472.log 381275 Log file, useful mostly for debugging
Coll_54726.log 327885 Log file, useful mostly for debugging
Tune-5472-get.log 7583 Log file, useful mostly for debugging
Tune-5472-x7.abc 158 ABC music file with the extracted tune(s)
Tune-5472-x7.ps 31787 PostScript
Tune-5472-x7.txt 158 Plain-text file with the extracted tune(s)
Tune-54722-get.log 4990 Log file, useful mostly for debugging
Tune-54723-get.log 1402 Log file, useful mostly for debugging
Tune-54726-get.log 3402 Log file, useful mostly for debugging
Tune-54727-ReedsFavoriteReel.abc 503 ABC music file with the extracted tune(s)
Tune-54727-ReedsFavoriteReel.pdf 16857 Portable Data Format
Tune-54727-ReedsFavoriteReel.ps 36813 PostScript
Tune-54727-ReedsFavoriteReel.txt 503 Plain-text file with the extracted tune(s)
Tune-54727-get.log 6950 Log file, useful mostly for debugging
These files should be available for 24 hours.