Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/23SCD/24CountryDances_1802_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8742-24CountryDances_1802_Thompson.ps) >>/Users/jc/w/tmp/Tune-8742-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/23SCD/24CountryDances_1802_Thompson.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_87422.log 466127 Log file, useful mostly for debugging
Tune-8742-24CountryDances_1802_Thompson.abc 167 ABC music file with the extracted tune(s)
Tune-8742-24CountryDances_1802_Thompson.ps 6 PostScript
Tune-8742-24CountryDances_1802_Thompson.txt 167 Plain-text file with the extracted tune(s)
Tune-8742-get.log 10010 Log file, useful mostly for debugging
Tune-87421-get.log 3959 Log file, useful mostly for debugging
Tune-87424-get.log 7086 Log file, useful mostly for debugging
Tune-87426-get.log 5551 Log file, useful mostly for debugging
Tune-87427-get.log 9843 Log file, useful mostly for debugging
Tune-87428-get.log 4476 Log file, useful mostly for debugging
Tune-87429-get.log 3664 Log file, useful mostly for debugging
These files should be available for 24 hours.