pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1689-CapeBretonWeddingReel_1.ps) >>/Users/jc/w/tmp/Tune-1689-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/CapeBretonWeddingReel_1.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_16891.log 1202016 Log file, useful mostly for debugging
Coll_16896.log 256329 Log file, useful mostly for debugging
Form_1689.log 847 Log file, useful mostly for debugging
Form_16890.log 838 Log file, useful mostly for debugging
Tune-1689-CapeBretonWeddingReel_1.abc 432 ABC music file with the extracted tune(s)
Tune-1689-CapeBretonWeddingReel_1.ps 35301 PostScript
Tune-1689-CapeBretonWeddingReel_1.txt 432 Plain-text file with the extracted tune(s)
Tune-1689-get.log 8226 Log file, useful mostly for debugging
Tune-16891-get.log 4311 Log file, useful mostly for debugging
Tune-16893-get.log 3334 Log file, useful mostly for debugging
Tune-16897-get.log 3156 Log file, useful mostly for debugging
Tune-16898-get.log 3248 Log file, useful mostly for debugging
These files should be available for 24 hours.