Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1801/SCD_RoyGoldring_14SocialDancesFor2000.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7956-SCD_RoyGoldring_14SocialDancesFor2000.ps) >>/Users/jc/w/tmp/Tune-7956-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1801/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_79560.log 427612 Log file, useful mostly for debugging
Coll_79565.log 613812 Log file, useful mostly for debugging
Tune-7956-CaledonianCountryDances.abc 160 ABC music file with the extracted tune(s)
Tune-7956-CaledonianCountryDances.ps 6 PostScript
Tune-7956-CaledonianCountryDances.txt 160 Plain-text file with the extracted tune(s)
Tune-7956-SCD_RoyGoldring_14SocialDancesFor2000.abc 174 ABC music file with the extracted tune(s)
Tune-7956-SCD_RoyGoldring_14SocialDancesFor2000.ps 6 PostScript
Tune-7956-SCD_RoyGoldring_14SocialDancesFor2000.txt 174 Plain-text file with the extracted tune(s)
Tune-7956-get.log 13307 Log file, useful mostly for debugging
Tune-79560-get.log 3576 Log file, useful mostly for debugging
Tune-79561-get.log 4345 Log file, useful mostly for debugging
Tune-79563-get.log 4720 Log file, useful mostly for debugging
Tune-79566-get.log 10495 Log file, useful mostly for debugging
Tune-79567-get.log 8294 Log file, useful mostly for debugging
Tune-79569-get.log 4899 Log file, useful mostly for debugging
These files should be available for 24 hours.