pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-89501-2271.ps) >>/Users/jc/w/tmp/Tune-89501-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Gow/CSR/2271=Miss_Ketty_Hall.abc2.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Tune-89501-2271.abc 2442 ABC music file with the extracted tune(s)
Tune-89501-2271.ps 55197 PostScript
Tune-89501-2271.txt 2442 Plain-text file with the extracted tune(s)
Tune-89501-get.log 11179 Log file, useful mostly for debugging
These files should be available for 24 hours.