Ted's band in Scrubs. Excellent of its type, and famous for being an influence on The Beach Boys, but I find the constant harmonised singing to be a little wearing after a couple of songs. In particular, the high falsetto always sounds slightly flat - very annoying after a while.
In contrast, something like doo wop uses extensive harmonies but as a backdrop - another instrument, really - to a solo singer, and is more listenable as a result.
I think this style suits slower songs better, where it sounds lush and romantic. I particularly like "Angel Eyes" and "You Stepped Out Of A Dream", both very evocative of their time. Great for unusual compilations. Faster songs sound more like novelties.