Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book04/24CountryDances_1798_Preston.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3351-24CountryDances_1798_Preston.ps) >>/Users/jc/w/tmp/Tune-3351-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book04/24CountryDances_1798_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-3351-24CountryDances_1798_Preston.abc 167 ABC music file with the extracted tune(s)
Tune-3351-24CountryDances_1798_Preston.ps 6 PostScript
Tune-3351-24CountryDances_1798_Preston.txt 167 Plain-text file with the extracted tune(s)
Tune-3351-get.log 4454 Log file, useful mostly for debugging
Tune-33512-get.log 5214 Log file, useful mostly for debugging
Tune-33513-get.log 4511 Log file, useful mostly for debugging
Tune-33517-24CountryDances_1782_Thompson.abc 173 ABC music file with the extracted tune(s)
Tune-33517-24CountryDances_1782_Thompson.ps 6 PostScript
Tune-33517-24CountryDances_1782_Thompson.txt 173 Plain-text file with the extracted tune(s)
Tune-33517-EliasHowe_MusiciansCompanionP1-1842-V1.abc 176 ABC music file with the extracted tune(s)
Tune-33517-EliasHowe_MusiciansCompanionP1-1842-V1.ps 6 PostScript
Tune-33517-EliasHowe_MusiciansCompanionP1-1842-V1.txt 176 Plain-text file with the extracted tune(s)
Tune-33517-get.log 9136 Log file, useful mostly for debugging
Tune-33519-get.log 5409 Log file, useful mostly for debugging
These files should be available for 24 hours.