Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/save/SCD_RoyGoldring_14SocialDancesFor2000.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7337-SCD_RoyGoldring_14SocialDancesFor2000.ps) >>/Users/jc/w/tmp/Tune-7337-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/save/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
Coll_73371.log 288548 Log file, useful mostly for debugging
Tune-7337-SCD_RoyGoldring_14SocialDancesFor2000.abc 174 ABC music file with the extracted tune(s)
Tune-7337-SCD_RoyGoldring_14SocialDancesFor2000.ps 6 PostScript
Tune-7337-SCD_RoyGoldring_14SocialDancesFor2000.txt 174 Plain-text file with the extracted tune(s)
Tune-7337-get.log 4631 Log file, useful mostly for debugging
Tune-73374-get.log 8855 Log file, useful mostly for debugging
Tune-73378-get.log 4961 Log file, useful mostly for debugging
These files should be available for 24 hours.