pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8315-New_High_Level_R_G4.ps) >>/Users/jc/w/tmp/Tune-8315-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/by/Andrew_Rankine/New_High_Level_R_G4.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
Coll_83157.log 132522 Log file, useful mostly for debugging
Coll_83158.log 131312 Log file, useful mostly for debugging
Form_83151.log 733 Log file, useful mostly for debugging
Form_83155.log 762 Log file, useful mostly for debugging
Form_83156.log 773 Log file, useful mostly for debugging
Tune-8315-New_High_Level_R_G4.abc 0 ABC music file with the extracted tune(s)
Tune-8315-New_High_Level_R_G4.ps 0 PostScript
Tune-8315-get.log 0 Log file, useful mostly for debugging
Tune-83150-get.log 3144 Log file, useful mostly for debugging
Tune-83153-get.log 0 Log file, useful mostly for debugging
These files should be available for 24 hours.