Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1792/SCD_RoyGoldring_14SocialDancesFor2000.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7209-SCD_RoyGoldring_14SocialDancesFor2000.ps) >>/Users/jc/w/tmp/Tune-7209-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1792/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-7209-SCD_RoyGoldring_14SocialDancesFor2000.abc 174 ABC music file with the extracted tune(s)
Tune-7209-SCD_RoyGoldring_14SocialDancesFor2000.ps 6 PostScript
Tune-7209-SCD_RoyGoldring_14SocialDancesFor2000.txt 174 Plain-text file with the extracted tune(s)
Tune-7209-get.log 9198 Log file, useful mostly for debugging
Tune-72090-get.log 7280 Log file, useful mostly for debugging
Tune-72093-24CountryDances_1803_Preston.abc 165 ABC music file with the extracted tune(s)
Tune-72093-24CountryDances_1803_Preston.ps 6 PostScript
Tune-72093-24CountryDances_1803_Preston.txt 165 Plain-text file with the extracted tune(s)
Tune-72093-get.log 4494 Log file, useful mostly for debugging
Tune-72095-get.log 13155 Log file, useful mostly for debugging
Tune-72096-get.log 10021 Log file, useful mostly for debugging
Tune-72099-get.log 4605 Log file, useful mostly for debugging
These files should be available for 24 hours.