Paul McCartney of "A World Without Love", a number-one single for Peter and Gordon; one as a co-writer on Elton John's cover of "Lucy in the Sky with Diamonds"; one as a co-writer on Stars on 45's "Medley"; one as a co-writer with Michael Jackson on "Say Say Say"; and one as writer on "Ebony and Ivory" performed with Stevie Wonder. , he has 15.5 million RIAA certified units in the United States as a solo artist plus another 10 million with Wings. Credited with more number ones in the UK than any other artist, McCartney has participated in twenty-four chart topping
Stevie Wonder success. At the end of 1962, when Wonder was 12 years old, he joined the Motortown Revue, touring the "chitlin' circuit" of theatres across America that accepted black artists. At the Regal Theater, Chicago, his 20-minute performance was recorded and released in May 1963 as the album "". A single, "Fingertips", from the album was also released in May, and became a major hit. The song, featuring a confident and enthusiastic Wonder returning for a spontaneous encore that catches out the replacement bass player, who is heard to call out "What key? What key?", was a No. 1 hit on