Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1753/24CountryDances_1801_Preston.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3945-24CountryDances_1801_Preston.ps) >>/Users/jc/w/tmp/Tune-3945-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1753/24CountryDances_1801_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-3945-24CountryDances_1801_Preston.abc 165 ABC music file with the extracted tune(s)
Tune-3945-24CountryDances_1801_Preston.ps 6 PostScript
Tune-3945-24CountryDances_1801_Preston.txt 165 Plain-text file with the extracted tune(s)
Tune-3945-get.log 4442 Log file, useful mostly for debugging
Tune-39451-get.log 5239 Log file, useful mostly for debugging
Tune-39456-MrKynastonsFamousDance.abc 160 ABC music file with the extracted tune(s)
Tune-39456-MrKynastonsFamousDance.ps 6 PostScript
Tune-39456-MrKynastonsFamousDance.txt 160 Plain-text file with the extracted tune(s)
Tune-39456-get.log 4249 Log file, useful mostly for debugging
Tune-39457-get.log 1341 Log file, useful mostly for debugging
Tune-39458-Gallini_NewColl44Cot2.abc 161 ABC music file with the extracted tune(s)
Tune-39458-Gallini_NewColl44Cot2.txt 161 Plain-text file with the extracted tune(s)
Tune-39458-get.log 3400 Log file, useful mostly for debugging
Tune-39459-get.log 4091 Log file, useful mostly for debugging
These files should be available for 24 hours.