Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/MusiciansCompanionP1/24CountryDances_1811_Goulding_dAlmaine_Potter.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8964-24CountryDances_1811_Goulding_dAlmaine_Potter.ps) >>/Users/jc/w/tmp/Tune-8964-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/MusiciansCompanionP1/24CountryDances_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-8964-24CountryDances_1811_Goulding_dAlmaine_Potter.abc 198 ABC music file with the extracted tune(s)
Tune-8964-24CountryDances_1811_Goulding_dAlmaine_Potter.ps 6 PostScript
Tune-8964-24CountryDances_1811_Goulding_dAlmaine_Potter.txt 198 Plain-text file with the extracted tune(s)
Tune-8964-get.log 10179 Log file, useful mostly for debugging
Tune-89640-get.log 13035 Log file, useful mostly for debugging
Tune-89641-CaledonianMusicalRepository_1806.abc 169 ABC music file with the extracted tune(s)
Tune-89641-CaledonianMusicalRepository_1806.ps 6 PostScript
Tune-89641-CaledonianMusicalRepository_1806.txt 169 Plain-text file with the extracted tune(s)
Tune-89641-get.log 19172 Log file, useful mostly for debugging
Tune-89642-get.log 10187 Log file, useful mostly for debugging
Tune-89644-get.log 5463 Log file, useful mostly for debugging
Tune-89646-get.log 3706 Log file, useful mostly for debugging
Tune-89649-get.log 9029 Log file, useful mostly for debugging
These files should be available for 24 hours.