Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1770/SCD_RoyGoldring_14SocialDancesFor2000.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6178-SCD_RoyGoldring_14SocialDancesFor2000.ps) >>/Users/jc/w/tmp/Tune-6178-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1770/SCD_RoyGoldring_14SocialDancesFor2000.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-6178-SCD_RoyGoldring_14SocialDancesFor2000.abc 174 ABC music file with the extracted tune(s)
Tune-6178-SCD_RoyGoldring_14SocialDancesFor2000.ps 6 PostScript
Tune-6178-SCD_RoyGoldring_14SocialDancesFor2000.txt 174 Plain-text file with the extracted tune(s)
Tune-6178-get.log 15117 Log file, useful mostly for debugging
Tune-61780-get.log 4714 Log file, useful mostly for debugging
Tune-61782-24CountryDances_1801_Preston.abc 164 ABC music file with the extracted tune(s)
Tune-61782-24CountryDances_1801_Preston.pdf 2217 Portable Data Format
Tune-61782-24CountryDances_1801_Preston.ps 6 PostScript
Tune-61782-24CountryDances_1801_Preston.txt 164 Plain-text file with the extracted tune(s)
Tune-61782-get.log 9401 Log file, useful mostly for debugging
Tune-61783-get.log 8628 Log file, useful mostly for debugging
Tune-61786-get.log 6147 Log file, useful mostly for debugging
Tune-61788-get.log 4714 Log file, useful mostly for debugging
These files should be available for 24 hours.