pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-30485-Jamie_Allen_G4.ps) >>/Users/jc/w/tmp/Tune-30485-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/session/PF/Belmont/Jamie_Allen/Jamie_Allen_G4.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_30485.log 957325 Log file, useful mostly for debugging
Tune-30485-Jamie_Allen_G4.abc 671 ABC music file with the extracted tune(s)
Tune-30485-Jamie_Allen_G4.ps 34556 PostScript
Tune-30485-Jamie_Allen_G4.txt 671 Plain-text file with the extracted tune(s)
Tune-30485-get.log 5823 Log file, useful mostly for debugging
These files should be available for 24 hours.