Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book37/24CountryDances_1810_Button_Whitaker.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7991-24CountryDances_1810_Button_Whitaker.ps) >>/Users/jc/w/tmp/Tune-7991-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book37/24CountryDances_1810_Button_Whitaker.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-7991-24CountryDances_1810_Button_Whitaker.abc 175 ABC music file with the extracted tune(s)
Tune-7991-24CountryDances_1810_Button_Whitaker.ps 6 PostScript
Tune-7991-24CountryDances_1810_Button_Whitaker.txt 175 Plain-text file with the extracted tune(s)
Tune-7991-get.log 4626 Log file, useful mostly for debugging
Tune-79910-Gow-CSR2-abc2.abc 150 ABC music file with the extracted tune(s)
Tune-79910-Gow-CSR2-abc2.ps 6 PostScript
Tune-79910-Gow-CSR2-abc2.txt 150 Plain-text file with the extracted tune(s)
Tune-79910-get.log 4175 Log file, useful mostly for debugging
Tune-79914-RSCDS_Graded1.abc 158 ABC music file with the extracted tune(s)
Tune-79914-RSCDS_Graded1.txt 158 Plain-text file with the extracted tune(s)
Tune-79914-get.log 3286 Log file, useful mostly for debugging
These files should be available for 24 hours.