pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6970-OaklandGardenJig.ps) >>/Users/jc/w/tmp/Tune-6970-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ryan-cole/Tunes/OaklandGardenJig.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_69702.log 269381 Log file, useful mostly for debugging
Tune-6970-OaklandGardenJig.abc 740 ABC music file with the extracted tune(s)
Tune-6970-OaklandGardenJig.ps 37921 PostScript
Tune-6970-OaklandGardenJig.txt 740 Plain-text file with the extracted tune(s)
Tune-6970-get.log 4644 Log file, useful mostly for debugging
Tune-69700-get.log 23949 Log file, useful mostly for debugging
Tune-69701-get.log 1622 Log file, useful mostly for debugging
Tune-69702-Glen2.abc 142 ABC music file with the extracted tune(s)
Tune-69702-Glen2.txt 142 Plain-text file with the extracted tune(s)
Tune-69702-get.log 3092 Log file, useful mostly for debugging
Tune-69703-get.log 5856 Log file, useful mostly for debugging
Tune-69707-get.log 84582 Log file, useful mostly for debugging
Tune-69708-dim.abc 140 ABC music file with the extracted tune(s)
Tune-69708-dim.ps 6 PostScript
Tune-69708-dim.txt 140 Plain-text file with the extracted tune(s)
Tune-69708-get.log 3967 Log file, useful mostly for debugging
These files should be available for 24 hours.