Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book23/24CountryDances_1799_Skillern.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2786-24CountryDances_1799_Skillern.ps) >>/Users/jc/w/tmp/Tune-2786-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book23/24CountryDances_1799_Skillern.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-2786-24CountryDances_1799_Skillern.abc 168 ABC music file with the extracted tune(s)
Tune-2786-24CountryDances_1799_Skillern.ps 6 PostScript
Tune-2786-24CountryDances_1799_Skillern.txt 168 Plain-text file with the extracted tune(s)
Tune-2786-get.log 7633 Log file, useful mostly for debugging
Tune-27860-get.log 4267 Log file, useful mostly for debugging
Tune-27862-get.log 4281 Log file, useful mostly for debugging
Tune-27863-get.log 4099 Log file, useful mostly for debugging
Tune-27866-get.log 4223 Log file, useful mostly for debugging
Tune-27867-get.log 14451 Log file, useful mostly for debugging
Tune-27868-get.log 9799 Log file, useful mostly for debugging
These files should be available for 24 hours.