pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2915-Highland_Laddie_or_The_White_Cockade_v2.ps) >>/Users/jc/w/tmp/Tune-2915-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/drumband.org/Highland_Laddie_or_The_White_Cockade_v2.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_29150.log 390866 Log file, useful mostly for debugging
Coll_29155.log 140387 Log file, useful mostly for debugging
Form_29151.log 531 Log file, useful mostly for debugging
Form_29157.log 891 Log file, useful mostly for debugging
Tune-2915-Highland_Laddie_or_The_White_Cockade_v2.abc 352 ABC music file with the extracted tune(s)
Tune-2915-Highland_Laddie_or_The_White_Cockade_v2.ps 35347 PostScript
Tune-2915-Highland_Laddie_or_The_White_Cockade_v2.txt 352 Plain-text file with the extracted tune(s)
Tune-2915-get.log 5159 Log file, useful mostly for debugging
Tune-29154-get.log 35968 Log file, useful mostly for debugging
These files should be available for 24 hours.