pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7292-ConcertHp_F.ps) >>/Users/jc/w/tmp/Tune-7292-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/ConcertHp_F.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Coll_7292.log 142202 Log file, useful mostly for debugging
Tune-7292-ConcertHp_F.abc 457 ABC music file with the extracted tune(s)
Tune-7292-ConcertHp_F.ps 34082 PostScript
Tune-7292-ConcertHp_F.txt 457 Plain-text file with the extracted tune(s)
Tune-7292-get.log 4969 Log file, useful mostly for debugging
Tune-72921-get.log 1396 Log file, useful mostly for debugging
Tune-72924-get.log 3039 Log file, useful mostly for debugging
Tune-72926-PentlandJ_D.abc 560 ABC music file with the extracted tune(s)
Tune-72926-PentlandJ_D.txt 560 Plain-text file with the extracted tune(s)
Tune-72926-get.log 3041 Log file, useful mostly for debugging
These files should be available for 24 hours.