Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book49-old/Gow-CSR2-abc2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1210-Gow-CSR2-abc2.ps) >>/Users/jc/w/tmp/Tune-1210-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book49-old/Gow-CSR2-abc2.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-1210-EverydaySongBook1.abc 152 ABC music file with the extracted tune(s)
Tune-1210-EverydaySongBook1.ps 6 PostScript
Tune-1210-EverydaySongBook1.txt 152 Plain-text file with the extracted tune(s)
Tune-1210-Gow-CSR2-abc2.abc 156 ABC music file with the extracted tune(s)
Tune-1210-Gow-CSR2-abc2.ps 6 PostScript
Tune-1210-Gow-CSR2-abc2.txt 156 Plain-text file with the extracted tune(s)
Tune-1210-get.log 13273 Log file, useful mostly for debugging
Tune-12100-get.log 4007 Log file, useful mostly for debugging
Tune-12101-get.log 4491 Log file, useful mostly for debugging
Tune-12104-get.log 5648 Log file, useful mostly for debugging
Tune-12105-get.log 8928 Log file, useful mostly for debugging
Tune-12108-get.log 4389 Log file, useful mostly for debugging
Tune-12109-get.log 8281 Log file, useful mostly for debugging
These files should be available for 24 hours.