pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2092-094_Saraband.ps) >>/Users/jc/w/tmp/Tune-2092-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/JeanWhite/100_Popular_HRJCD/094_Saraband.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-2092-094_Saraband.abc 851 ABC music file with the extracted tune(s)
Tune-2092-094_Saraband.ps 38621 PostScript
Tune-2092-094_Saraband.txt 851 Plain-text file with the extracted tune(s)
Tune-2092-get.log 4584 Log file, useful mostly for debugging
These files should be available for 24 hours.