Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Children/24CountryDances_1809_Cahusac_FTM.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7679-24CountryDances_1809_Cahusac_FTM.ps) >>/Users/jc/w/tmp/Tune-7679-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Children/24CountryDances_1809_Cahusac_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_76794.log 294166 Log file, useful mostly for debugging
Coll_76796.log 568660 Log file, useful mostly for debugging
Coll_76797.log 570065 Log file, useful mostly for debugging
Tune-7679-24CountryDances_1809_Cahusac_FTM.abc 173 ABC music file with the extracted tune(s)
Tune-7679-24CountryDances_1809_Cahusac_FTM.ps 6 PostScript
Tune-7679-24CountryDances_1809_Cahusac_FTM.txt 173 Plain-text file with the extracted tune(s)
Tune-7679-get.log 4554 Log file, useful mostly for debugging
Tune-76790-get.log 1365 Log file, useful mostly for debugging
Tune-76794-get.log 8492 Log file, useful mostly for debugging
Tune-76797-11091_.abc 33 ABC music file with the extracted tune(s)
Tune-76797-11091_.txt 33 Plain-text file with the extracted tune(s)
Tune-76797-get.log 3067 Log file, useful mostly for debugging
These files should be available for 24 hours.