Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/abc2/24CountryDances_1794_Preston.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8082-24CountryDances_1794_Preston.ps) >>/Users/jc/w/tmp/Tune-8082-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/abc2/24CountryDances_1794_Preston.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-8082-24CountryDances_1794_Preston.abc 165 ABC music file with the extracted tune(s)
Tune-8082-24CountryDances_1794_Preston.ps 6 PostScript
Tune-8082-24CountryDances_1794_Preston.txt 165 Plain-text file with the extracted tune(s)
Tune-8082-Urbani_Liston_1800.abc 155 ABC music file with the extracted tune(s)
Tune-8082-Urbani_Liston_1800.pdf 2217 Portable Data Format
Tune-8082-Urbani_Liston_1800.ps 6 PostScript
Tune-8082-Urbani_Liston_1800.txt 155 Plain-text file with the extracted tune(s)
Tune-8082-get.log 9533 Log file, useful mostly for debugging
Tune-80820-DanielWright_CCCCD.abc 155 ABC music file with the extracted tune(s)
Tune-80820-DanielWright_CCCCD.ps 6 PostScript
Tune-80820-DanielWright_CCCCD.txt 155 Plain-text file with the extracted tune(s)
Tune-80820-get.log 4282 Log file, useful mostly for debugging
These files should be available for 24 hours.