Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1808/SCD_RoyGoldring_14SocialDancesFor2000.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5781-SCD_RoyGoldring_14SocialDancesFor2000.ps) >>/Users/jc/w/tmp/Tune-5781-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1808/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-5781-SCD_RoyGoldring_14SocialDancesFor2000.abc 174 ABC music file with the extracted tune(s)
Tune-5781-SCD_RoyGoldring_14SocialDancesFor2000.ps 6 PostScript
Tune-5781-SCD_RoyGoldring_14SocialDancesFor2000.txt 174 Plain-text file with the extracted tune(s)
Tune-5781-get.log 4631 Log file, useful mostly for debugging
Tune-57810-get.log 9305 Log file, useful mostly for debugging
Tune-57811-KittyBridges_1745_NO.abc 163 ABC music file with the extracted tune(s)
Tune-57811-KittyBridges_1745_NO.ps 6 PostScript
Tune-57811-KittyBridges_1745_NO.txt 163 Plain-text file with the extracted tune(s)
Tune-57811-get.log 7944 Log file, useful mostly for debugging
Tune-57813-get.log 8768 Log file, useful mostly for debugging
Tune-57814-get.log 16500 Log file, useful mostly for debugging
Tune-57815-get.log 3234 Log file, useful mostly for debugging
Tune-57816-get.log 10546 Log file, useful mostly for debugging
Tune-57817-get.log 8041 Log file, useful mostly for debugging
Tune-57818-get.log 3990 Log file, useful mostly for debugging
These files should be available for 24 hours.