Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1750/KittyBridges_1745_VO.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2249-KittyBridges_1745_VO.ps) >>/Users/jc/w/tmp/Tune-2249-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1750/KittyBridges_1745_VO.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-2249-KittyBridges_1745_VO.abc 157 ABC music file with the extracted tune(s)
Tune-2249-KittyBridges_1745_VO.ps 6 PostScript
Tune-2249-KittyBridges_1745_VO.txt 157 Plain-text file with the extracted tune(s)
Tune-2249-get.log 4274 Log file, useful mostly for debugging
Tune-22491-get.log 3128 Log file, useful mostly for debugging
Tune-22492-get.log 1519 Log file, useful mostly for debugging
Tune-22497-get.log 1409 Log file, useful mostly for debugging
Tune-22498-get.log 3194 Log file, useful mostly for debugging
These files should be available for 24 hours.