Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Potpourri/24CountryDances_1808_Goulding_FTM.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3340-24CountryDances_1808_Goulding_FTM.ps) >>/Users/jc/w/tmp/Tune-3340-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Potpourri/24CountryDances_1808_Goulding_FTM.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_33401.log 297407 Log file, useful mostly for debugging
Tune-3340-24CountryDances_1808_Goulding_FTM.abc 175 ABC music file with the extracted tune(s)
Tune-3340-24CountryDances_1808_Goulding_FTM.ps 6 PostScript
Tune-3340-24CountryDances_1808_Goulding_FTM.txt 175 Plain-text file with the extracted tune(s)
Tune-3340-get.log 4579 Log file, useful mostly for debugging
Tune-33400-get.log 27462 Log file, useful mostly for debugging
Tune-33402-get.log 13623 Log file, useful mostly for debugging
Tune-33403-get.log 9251 Log file, useful mostly for debugging
Tune-33404-get.log 13206 Log file, useful mostly for debugging
Tune-33405-get.log 5679 Log file, useful mostly for debugging
Tune-33406-get.log 4253 Log file, useful mostly for debugging
Tune-33408-get.log 3919 Log file, useful mostly for debugging
Tune-33409-get.log 12312 Log file, useful mostly for debugging
These files should be available for 24 hours.