Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1758/SCD_RoyGoldring_14SocialDancesFor2000.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7656-SCD_RoyGoldring_14SocialDancesFor2000.ps) >>/Users/jc/w/tmp/Tune-7656-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1758/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-7656-SCD_RoyGoldring_14SocialDancesFor2000.abc 174 ABC music file with the extracted tune(s)
Tune-7656-SCD_RoyGoldring_14SocialDancesFor2000.ps 6 PostScript
Tune-7656-SCD_RoyGoldring_14SocialDancesFor2000.txt 174 Plain-text file with the extracted tune(s)
Tune-7656-get.log 4631 Log file, useful mostly for debugging
Tune-76560-get.log 4482 Log file, useful mostly for debugging
Tune-76561-get.log 9658 Log file, useful mostly for debugging
Tune-76563-24CountryDances_1804_Thompson.abc 166 ABC music file with the extracted tune(s)
Tune-76563-24CountryDances_1804_Thompson.txt 166 Plain-text file with the extracted tune(s)
Tune-76563-get.log 10298 Log file, useful mostly for debugging
Tune-76564-get.log 3552 Log file, useful mostly for debugging
Tune-76567-get.log 12844 Log file, useful mostly for debugging
Tune-76569-get.log 5433 Log file, useful mostly for debugging
These files should be available for 24 hours.