pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6629-Galloway_horne_Pipe_1.ps) >>/Users/jc/w/tmp/Tune-6629-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/Galloway_horne_Pipe_1.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_66291.log 1082370 Log file, useful mostly for debugging
Coll_66298.log 651035 Log file, useful mostly for debugging
Tune-6629-Galloway_horne_Pipe_1.abc 786 ABC music file with the extracted tune(s)
Tune-6629-Galloway_horne_Pipe_1.ps 41095 PostScript
Tune-6629-Galloway_horne_Pipe_1.txt 786 Plain-text file with the extracted tune(s)
Tune-6629-get.log 4792 Log file, useful mostly for debugging
These files should be available for 24 hours.