Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1799/24CountryDances_1811_Goulding_dAlmaine_Potter.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3536-24CountryDances_1811_Goulding_dAlmaine_Potter.ps) >>/Users/jc/w/tmp/Tune-3536-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1799/24CountryDances_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
Tune-3536-24CountryDances_1811_Goulding_dAlmaine_Potter.abc 182 ABC music file with the extracted tune(s)
Tune-3536-24CountryDances_1811_Goulding_dAlmaine_Potter.ps 6 PostScript
Tune-3536-24CountryDances_1811_Goulding_dAlmaine_Potter.txt 182 Plain-text file with the extracted tune(s)
Tune-3536-get.log 9007 Log file, useful mostly for debugging
Tune-35360-get.log 4977 Log file, useful mostly for debugging
Tune-35361-get.log 4780 Log file, useful mostly for debugging
Tune-35363-get.log 5636 Log file, useful mostly for debugging
Tune-35364-get.log 8300 Log file, useful mostly for debugging
Tune-35365-get.log 4253 Log file, useful mostly for debugging
Tune-35366-get.log 8877 Log file, useful mostly for debugging
Tune-35367-get.log 8238 Log file, useful mostly for debugging
Tune-35368-get.log 3400 Log file, useful mostly for debugging
These files should be available for 24 hours.