Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1808/KittyBridges_1745_NO.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9434-KittyBridges_1745_NO.ps) >>/Users/jc/w/tmp/Tune-9434-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1808/KittyBridges_1745_NO.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_94345.log 1309191 Log file, useful mostly for debugging
Coll_94347.log 281520 Log file, useful mostly for debugging
Tune-9434-KittyBridges_1745_NO.abc 157 ABC music file with the extracted tune(s)
Tune-9434-KittyBridges_1745_NO.ps 6 PostScript
Tune-9434-KittyBridges_1745_NO.txt 157 Plain-text file with the extracted tune(s)
Tune-9434-get.log 4276 Log file, useful mostly for debugging
Tune-94344-WalterRainstorp_WRCB.abc 163 ABC music file with the extracted tune(s)
Tune-94344-WalterRainstorp_WRCB.pdf 2217 Portable Data Format
Tune-94344-WalterRainstorp_WRCB.ps 6 PostScript
Tune-94344-WalterRainstorp_WRCB.txt 163 Plain-text file with the extracted tune(s)
Tune-94344-get.log 5210 Log file, useful mostly for debugging
These files should be available for 24 hours.