pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-14191-24_Juin-Gm-32-4.ps) >>/Users/jc/w/tmp/Tune-14191-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/24_Juin-Gm-32-4.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_14191.log 828065 Log file, useful mostly for debugging
Tune-14191-24_Juin-Gm-32-4.abc 663 ABC music file with the extracted tune(s)
Tune-14191-24_Juin-Gm-32-4.ps 37214 PostScript
Tune-14191-24_Juin-Gm-32-4.txt 663 Plain-text file with the extracted tune(s)
Tune-14191-get.log 4529 Log file, useful mostly for debugging
These files should be available for 24 hours.