pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-17555-Charley_Stuart_D40.ps) >>/Users/jc/w/tmp/Tune-17555-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/Charley_Stuart_D40.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Coll_17555.log 647339 Log file, useful mostly for debugging
Tune-17555-Charley_Stuart_D40.abc 411 ABC music file with the extracted tune(s)
Tune-17555-Charley_Stuart_D40.ps 34197 PostScript
Tune-17555-Charley_Stuart_D40.txt 411 Plain-text file with the extracted tune(s)
Tune-17555-get.log 9105 Log file, useful mostly for debugging
These files should be available for 24 hours.