pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-70538-Prince_Charlies_Last_View_of_Scotland-Gm-32-4.ps) >>/Users/jc/w/tmp/Tune-70538-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/air/Prince_Charlies_Last_View_of_Scotland-Gm-32-4.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
Tune-70538-Prince_Charlies_Last_View_of_Scotland-Gm-32-4.abc 729 ABC music file with the extracted tune(s)
Tune-70538-Prince_Charlies_Last_View_of_Scotland-Gm-32-4.ps 37721 PostScript
Tune-70538-Prince_Charlies_Last_View_of_Scotland-Gm-32-4.txt 729 Plain-text file with the extracted tune(s)
Tune-70538-get.log 5878 Log file, useful mostly for debugging
These files should be available for 24 hours.