Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1818/24CountryDances_1811_Goulding_dAlmaine_Potter.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5266-24CountryDances_1811_Goulding_dAlmaine_Potter.ps) >>/Users/jc/w/tmp/Tune-5266-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1818/24CountryDances_1811_Goulding_dAlmaine_Potter.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_5266.log 629961 Log file, useful mostly for debugging
Coll_52662.log 136998 Log file, useful mostly for debugging
Tune-5266-24CountryDances_1811_Goulding_dAlmaine_Potter.abc 182 ABC music file with the extracted tune(s)
Tune-5266-24CountryDances_1811_Goulding_dAlmaine_Potter.ps 6 PostScript
Tune-5266-24CountryDances_1811_Goulding_dAlmaine_Potter.txt 182 Plain-text file with the extracted tune(s)
Tune-5266-get.log 4801 Log file, useful mostly for debugging
Tune-52662-get.log 3886 Log file, useful mostly for debugging
Tune-52664-BostonCollection.abc 159 ABC music file with the extracted tune(s)
Tune-52664-BostonCollection.txt 159 Plain-text file with the extracted tune(s)
Tune-52664-get.log 3330 Log file, useful mostly for debugging
Tune-52668-ERM-V1.abc 146 ABC music file with the extracted tune(s)
Tune-52668-ERM-V1.ps 6 PostScript
Tune-52668-ERM-V1.txt 146 Plain-text file with the extracted tune(s)
Tune-52668-get.log 3923 Log file, useful mostly for debugging
Tune-52669-OriginallyMine.abc 151 ABC music file with the extracted tune(s)
Tune-52669-OriginallyMine.ps 6 PostScript
Tune-52669-OriginallyMine.txt 151 Plain-text file with the extracted tune(s)
Tune-52669-get.log 4194 Log file, useful mostly for debugging
These files should be available for 24 hours.