pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6077-CR2-abc1.ps) >>/Users/jc/w/tmp/Tune-6077-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Gow/CR2-abc1.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_60772.log 1174 Log file, useful mostly for debugging
Tune-6077-CR2-abc1.abc 103138 ABC music file with the extracted tune(s)
Tune-6077-CR2-abc1.ps 1016754 PostScript
Tune-6077-CR2-abc1.txt 103138 Plain-text file with the extracted tune(s)
Tune-6077-get.log 74873 Log file, useful mostly for debugging
Tune-60771-20911_Light_As_Thistledown.abc 630 ABC music file with the extracted tune(s)
Tune-60771-20911_Light_As_Thistledown.ps 34165 PostScript
Tune-60771-20911_Light_As_Thistledown.txt 630 Plain-text file with the extracted tune(s)
Tune-60771-get.log 4785 Log file, useful mostly for debugging
Tune-60772-get.log 1378 Log file, useful mostly for debugging
Tune-60775-143_Mr_Matthews_Reel.abc 922 ABC music file with the extracted tune(s)
Tune-60775-143_Mr_Matthews_Reel.ps 38467 PostScript
Tune-60775-143_Mr_Matthews_Reel.txt 922 Plain-text file with the extracted tune(s)
Tune-60775-get.log 4736 Log file, useful mostly for debugging
Tune-60776-get.log 1394 Log file, useful mostly for debugging
These files should be available for 24 hours.