pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-56842-012_Kat_Oggie.ps) >>/Users/jc/w/tmp/Tune-56842-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Barsanti/012_Kat_Oggie.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Tune-56842-012_Kat_Oggie.abc 1305 ABC music file with the extracted tune(s)
Tune-56842-012_Kat_Oggie.ps 41612 PostScript
Tune-56842-012_Kat_Oggie.txt 1305 Plain-text file with the extracted tune(s)
Tune-56842-get.log 4448 Log file, useful mostly for debugging
These files should be available for 24 hours.