Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Compleat_Tutor/Button_Whitaker_SelectionOfDancesReelsAndWaltzes_2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1640-Button_Whitaker_SelectionOfDancesReelsAndWaltzes_2.ps) >>/Users/jc/w/tmp/Tune-1640-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Compleat_Tutor/Button_Whitaker_SelectionOfDancesReelsAndWaltzes_2.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-1640-Button_Whitaker_SelectionOfDancesReelsAndWaltzes_2.abc 197 ABC music file with the extracted tune(s)
Tune-1640-Button_Whitaker_SelectionOfDancesReelsAndWaltzes_2.ps 6 PostScript
Tune-1640-Button_Whitaker_SelectionOfDancesReelsAndWaltzes_2.txt 197 Plain-text file with the extracted tune(s)
Tune-1640-get.log 4968 Log file, useful mostly for debugging
Tune-16400-get.log 69928 Log file, useful mostly for debugging
Tune-16401-get.log 4760 Log file, useful mostly for debugging
Tune-16402-get.log 20090 Log file, useful mostly for debugging
Tune-16405-24CountryDances_1782_Thompson.abc 184 ABC music file with the extracted tune(s)
Tune-16405-24CountryDances_1782_Thompson.txt 184 Plain-text file with the extracted tune(s)
Tune-16405-get.log 11366 Log file, useful mostly for debugging
Tune-16408-get.log 5480 Log file, useful mostly for debugging
Tune-16409-get.log 7126 Log file, useful mostly for debugging
These files should be available for 24 hours.