Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1781/24CountryDances_1776_Randall.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4548-24CountryDances_1776_Randall.ps) >>/Users/jc/w/tmp/Tune-4548-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1781/24CountryDances_1776_Randall.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-4548-24CountryDances_1776_Randall.abc 165 ABC music file with the extracted tune(s)
Tune-4548-24CountryDances_1776_Randall.ps 6 PostScript
Tune-4548-24CountryDances_1776_Randall.txt 165 Plain-text file with the extracted tune(s)
Tune-4548-get.log 4440 Log file, useful mostly for debugging
Tune-45480-CJSurtees.abc 146 ABC music file with the extracted tune(s)
Tune-45480-CJSurtees.ps 6 PostScript
Tune-45480-CJSurtees.txt 146 Plain-text file with the extracted tune(s)
Tune-45480-get.log 4091 Log file, useful mostly for debugging
Tune-45487-get.log 4916 Log file, useful mostly for debugging
Tune-45488-ViolaRuth_PWFT.abc 151 ABC music file with the extracted tune(s)
Tune-45488-ViolaRuth_PWFT.ps 6 PostScript
Tune-45488-ViolaRuth_PWFT.txt 151 Plain-text file with the extracted tune(s)
Tune-45488-get.log 4196 Log file, useful mostly for debugging
These files should be available for 24 hours.