Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Pieces_de_Clavecin/KittyBridges_1745_VO.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3804-KittyBridges_1745_VO.ps) >>/Users/jc/w/tmp/Tune-3804-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Pieces_de_Clavecin/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-3804-KittyBridges_1745_VO.abc 171 ABC music file with the extracted tune(s)
Tune-3804-KittyBridges_1745_VO.ps 6 PostScript
Tune-3804-KittyBridges_1745_VO.txt 171 Plain-text file with the extracted tune(s)
Tune-3804-get.log 13983 Log file, useful mostly for debugging
Tune-38040-get.log 5416 Log file, useful mostly for debugging
Tune-38042-get.log 5954 Log file, useful mostly for debugging
Tune-38043-get.log 11900 Log file, useful mostly for debugging
Tune-38045-get.log 3174 Log file, useful mostly for debugging
Tune-38046-get.log 9726 Log file, useful mostly for debugging
Tune-38048-get.log 8367 Log file, useful mostly for debugging
Tune-38049-get.log 13413 Log file, useful mostly for debugging
These files should be available for 24 hours.