pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-37476-RoseOfTralee.ps) >>/Users/jc/w/tmp/Tune-37476-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/session/PF/Belmont/Rose_of_Tralee/RoseOfTralee.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-37476-RoseOfTralee.abc 1972 ABC music file with the extracted tune(s)
Tune-37476-RoseOfTralee.ps 41347 PostScript
Tune-37476-RoseOfTralee.txt 1972 Plain-text file with the extracted tune(s)
Tune-37476-get.log 5241 Log file, useful mostly for debugging
These files should be available for 24 hours.