pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6585-Ladies_Pantalettes.ps) >>/Users/jc/w/tmp/Tune-6585-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/gradcenter.marlboro.edu/abc/sessionTunesII/Ladies_Pantalettes.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Form_65850.log 867 Log file, useful mostly for debugging
Form_65856.log 495 Log file, useful mostly for debugging
Tune-6585-Ladies_Pantalettes.abc 394 ABC music file with the extracted tune(s)
Tune-6585-Ladies_Pantalettes.ps 34962 PostScript
Tune-6585-Ladies_Pantalettes.txt 394 Plain-text file with the extracted tune(s)
Tune-6585-get.log 5695 Log file, useful mostly for debugging
Tune-65854-get.log 1865 Log file, useful mostly for debugging
Tune-65858-get.log 4112 Log file, useful mostly for debugging
These files should be available for 24 hours.