pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-70578-Prince_Charlies_Welcome_to_the_Isle_of_Skye.ps) >>/Users/jc/w/tmp/Tune-70578-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/Skye_HB/T/Prince_Charlies_Welcome_to_the_Isle_of_Skye.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-70578-Prince_Charlies_Welcome_to_the_Isle_of_Skye.abc 1059 ABC music file with the extracted tune(s)
Tune-70578-Prince_Charlies_Welcome_to_the_Isle_of_Skye.ps 49536 PostScript
Tune-70578-Prince_Charlies_Welcome_to_the_Isle_of_Skye.txt 1059 Plain-text file with the extracted tune(s)
Tune-70578-get.log 6044 Log file, useful mostly for debugging
These files should be available for 24 hours.