Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Roy_Goldring/24CountryDances_1771_Randall.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3734-24CountryDances_1771_Randall.ps) >>/Users/jc/w/tmp/Tune-3734-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Roy_Goldring/24CountryDances_1771_Randall.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_3734.log 1004991 Log file, useful mostly for debugging
Coll_37344.log 151834 Log file, useful mostly for debugging
Coll_37345.log 291355 Log file, useful mostly for debugging
Tune-3734-24CountryDances_1771_Randall.abc 173 ABC music file with the extracted tune(s)
Tune-3734-24CountryDances_1771_Randall.ps 6 PostScript
Tune-3734-24CountryDances_1771_Randall.txt 173 Plain-text file with the extracted tune(s)
Tune-3734-get.log 4490 Log file, useful mostly for debugging
Tune-37340-get.log 4507 Log file, useful mostly for debugging
Tune-37344-get.log 4452 Log file, useful mostly for debugging
Tune-37345-get.log 4912 Log file, useful mostly for debugging
These files should be available for 24 hours.