pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-16891-1321.ps) >>/Users/jc/w/tmp/Tune-16891-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gow/CSR/1321=Duke_of_Argyles_Strathspey.abc2.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Tune-16891-1321.abc 1075 ABC music file with the extracted tune(s)
Tune-16891-1321.ps 41419 PostScript
Tune-16891-1321.txt 1075 Plain-text file with the extracted tune(s)
Tune-16891-get.log 4722 Log file, useful mostly for debugging
These files should be available for 24 hours.