pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-62781-2271-Miss_Ketty_Hall.ps) >>/Users/jc/w/tmp/Tune-62781-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gow/CSR/2271-Miss_Ketty_Hall.abc1.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_62781.log 151189 Log file, useful mostly for debugging
Tune-62781-2271-Miss_Ketty_Hall.abc 2518 ABC music file with the extracted tune(s)
Tune-62781-2271-Miss_Ketty_Hall.ps 55293 PostScript
Tune-62781-2271-Miss_Ketty_Hall.txt 2518 Plain-text file with the extracted tune(s)
Tune-62781-get.log 4677 Log file, useful mostly for debugging
These files should be available for 24 hours.