Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/NewColl44Cot/Kerr_MM2-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7010-Kerr_MM2-V1.ps) >>/Users/jc/w/tmp/Tune-7010-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/NewColl44Cot/Kerr_MM2-V1.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Find_70109.log 1463 Log file, useful mostly for debugging
Tune-7010-Kerr_MM2-V1.abc 156 ABC music file with the extracted tune(s)
Tune-7010-Kerr_MM2-V1.ps 6 PostScript
Tune-7010-Kerr_MM2-V1.txt 156 Plain-text file with the extracted tune(s)
Tune-7010-get.log 4133 Log file, useful mostly for debugging
Tune-70100-get.log 5489 Log file, useful mostly for debugging
Tune-70102-get.log 3702 Log file, useful mostly for debugging
Tune-70105-get.log 1457 Log file, useful mostly for debugging
Tune-70106-ThomasMarsden.abc 152 ABC music file with the extracted tune(s)
Tune-70106-ThomasMarsden.ps 6 PostScript
Tune-70106-ThomasMarsden.txt 152 Plain-text file with the extracted tune(s)
Tune-70106-get.log 4070 Log file, useful mostly for debugging
Tune-70107-get.log 3094 Log file, useful mostly for debugging
Tune-70109-get.log 7756 Log file, useful mostly for debugging
These files should be available for 24 hours.