pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-23422-812_Cox_Heath.ps) >>/Users/jc/w/tmp/Tune-23422-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/DftY/1779/Thompson/812_Cox_Heath.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-23422-812_Cox_Heath.abc 851 ABC music file with the extracted tune(s)
Tune-23422-812_Cox_Heath.ps 34208 PostScript
Tune-23422-812_Cox_Heath.txt 851 Plain-text file with the extracted tune(s)
Tune-23422-get.log 4538 Log file, useful mostly for debugging
These files should be available for 24 hours.