pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5711-2362_Beautiful_Swanee_River.ps) >>/Users/jc/w/tmp/Tune-5711-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Kerr/MM2/2362_Beautiful_Swanee_River.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_57112.log 290409 Log file, useful mostly for debugging
Tune-5711-2362_Beautiful_Swanee_River.abc 465 ABC music file with the extracted tune(s)
Tune-5711-2362_Beautiful_Swanee_River.ps 34335 PostScript
Tune-5711-2362_Beautiful_Swanee_River.txt 465 Plain-text file with the extracted tune(s)
Tune-5711-get.log 4853 Log file, useful mostly for debugging
Tune-57116-get.log 4098 Log file, useful mostly for debugging
These files should be available for 24 hours.