Louie Shelton's name may be unknown to most listeners, but his guitar work has been heard over and over by even casual popular music listeners since the mid-'60s. His career as a session musician began with the Monkees, playing the memorable riffs on several of their recordings. (Remember the cool, rapid-fire, reverb-drenched solo in "Valerie"?) He went on to play on "I Want You Back," "ABC" and "I'll Be There" for the Jackson 5, Boz Scaggs' "Lowdown," and "Summer Breeze" and "Diamond Girl" with Seals & Crofts. He played the guitar solos on pop smashes like Lionel Richie's "Hello" and Neil Diamond's "Play Me," and recorded with artists ranging from Diana Ross, Smokey Robinson, Marvin Gaye, Gladys Knight, Barbra Streisand and Whitney Houston, to the Partridge Family, Art Garfunkel and Mama Cass Elliott. He produced a number of albums as well, most notably for Seals & Crofts.