Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/ECPMH/24CountryDances_1780_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7920-24CountryDances_1780_Thompson.ps) >>/Users/jc/w/tmp/Tune-7920-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ECPMH/24CountryDances_1780_Thompson.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-7920-24CountryDances_1780_Thompson.abc 167 ABC music file with the extracted tune(s)
Tune-7920-24CountryDances_1780_Thompson.ps 6 PostScript
Tune-7920-24CountryDances_1780_Thompson.txt 167 Plain-text file with the extracted tune(s)
Tune-7920-get.log 4465 Log file, useful mostly for debugging
Tune-79200-get.log 55664 Log file, useful mostly for debugging
Tune-79201-get.log 4570 Log file, useful mostly for debugging
Tune-79202-24CountryDances_1776_Randall.abc 166 ABC music file with the extracted tune(s)
Tune-79202-24CountryDances_1776_Randall.pdf 2217 Portable Data Format
Tune-79202-24CountryDances_1776_Randall.ps 6 PostScript
Tune-79202-24CountryDances_1776_Randall.txt 166 Plain-text file with the extracted tune(s)
Tune-79202-get.log 10971 Log file, useful mostly for debugging
Tune-79207-get.log 3552 Log file, useful mostly for debugging
Tune-79208-get.log 3690 Log file, useful mostly for debugging
Tune-79209-get.log 12381 Log file, useful mostly for debugging
These files should be available for 24 hours.