pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4834-DrunkenPiper_Am5.ps) >>/Users/jc/w/tmp/Tune-4834-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/DrunkenPiper_Am5.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_4834.log 563925 Log file, useful mostly for debugging
Coll_48340.log 628555 Log file, useful mostly for debugging
Tune-4834-DrunkenPiper_Am5.abc 667 ABC music file with the extracted tune(s)
Tune-4834-DrunkenPiper_Am5.ps 35679 PostScript
Tune-4834-DrunkenPiper_Am5.txt 667 Plain-text file with the extracted tune(s)
Tune-4834-get.log 27852 Log file, useful mostly for debugging
These files should be available for 24 hours.