Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1778/24CountryDances_1772_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2523-24CountryDances_1772_Thompson.ps) >>/Users/jc/w/tmp/Tune-2523-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1778/24CountryDances_1772_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
Coll_25232.log 291812 Log file, useful mostly for debugging
Tune-2523-24CountryDances_1772_Thompson.abc 166 ABC music file with the extracted tune(s)
Tune-2523-24CountryDances_1772_Thompson.ps 6 PostScript
Tune-2523-24CountryDances_1772_Thompson.txt 166 Plain-text file with the extracted tune(s)
Tune-2523-get.log 4465 Log file, useful mostly for debugging
Tune-25235-get.log 5404 Log file, useful mostly for debugging
Tune-25237-EliasHowe_MusiciansCompanionP1-1842-V2.abc 175 ABC music file with the extracted tune(s)
Tune-25237-EliasHowe_MusiciansCompanionP1-1842-V2.ps 6 PostScript
Tune-25237-EliasHowe_MusiciansCompanionP1-1842-V2.txt 175 Plain-text file with the extracted tune(s)
Tune-25237-get.log 4579 Log file, useful mostly for debugging
Tune-25238-24CountryDances_1766_Johnson.abc 165 ABC music file with the extracted tune(s)
Tune-25238-24CountryDances_1766_Johnson.ps 6 PostScript
Tune-25238-24CountryDances_1766_Johnson.txt 165 Plain-text file with the extracted tune(s)
Tune-25238-get.log 4490 Log file, useful mostly for debugging
These files should be available for 24 hours.