Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Kerr_MM/24CountryDances_1808_Goulding_FTM.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2967-24CountryDances_1808_Goulding_FTM.ps) >>/Users/jc/w/tmp/Tune-2967-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Kerr_MM/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_2967.log 985100 Log file, useful mostly for debugging
Coll_29671.log 561634 Log file, useful mostly for debugging
Coll_29674.log 282925 Log file, useful mostly for debugging
Coll_29678.log 275900 Log file, useful mostly for debugging
Coll_29679.log 287140 Log file, useful mostly for debugging
Tune-2967-24CountryDances_1808_Goulding_FTM.abc 173 ABC music file with the extracted tune(s)
Tune-2967-24CountryDances_1808_Goulding_FTM.ps 6 PostScript
Tune-2967-24CountryDances_1808_Goulding_FTM.txt 173 Plain-text file with the extracted tune(s)
Tune-2967-get.log 4567 Log file, useful mostly for debugging
Tune-29674-get.log 1453 Log file, useful mostly for debugging
Tune-29675-get.log 4577 Log file, useful mostly for debugging
These files should be available for 24 hours.