pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-58497-044_the_Little_Dairymaid.ps) >>/Users/jc/w/tmp/Tune-58497-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EverydaySongBook/044_the_Little_Dairymaid.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-58497-044_the_Little_Dairymaid.abc 1474 ABC music file with the extracted tune(s)
Tune-58497-044_the_Little_Dairymaid.ps 36924 PostScript
Tune-58497-044_the_Little_Dairymaid.txt 1474 Plain-text file with the extracted tune(s)
Tune-58497-get.log 4814 Log file, useful mostly for debugging
These files should be available for 24 hours.