Doo-wop music didn't make it out of the '50s as a commercial force,
but New Jersey's the Four Seasons, the genre's Caucasian branch,
flourished in a form updated for the go-go '60s. Relying on tight
doo-wop group harmony, an utterly distinctive lead tenor (Frankie
Valli), and songs of love and loss -- with added ballast for the
new era provided by exquisite, visionary production that blended
the b...