Fans of the Bakersfield Sound have plenty to celebrate. First there’s the just-released Buck Owens collection “Bound for Bakersfield 1953-1956: The Complete Pre-Capitol Collection.” The Rockbeat album collects songs that Owens recorded for the Pep, Chesterfield and La Brea labels before a much more successful run on Capitol. It’s a mixed bag of honky tonk and early rock ‘n’ roll,…