From Wikipedia:

Bobby Freeman (born June 13, 1940) is an African-American soul singer, songwriter, and record producer who recorded for theAutumn Records label in San Francisco, California. He is best known for his 1958 hit “Do You Want To Dance?” and his 1964 Top Tenhit “C’mon and Swim”.  “Do You Want To Dance?” was covered later (as “Do You Wanna Dance”) by Del Shannon, The Beach Boys,Bette Midler, John Lennon, Cliff Richard, The Mamas & The Papas and the Ramones. “C’mon and Swim” was written and produced by twenty-year-old Sylvester Stewart, later known as Sly Stone.

Freeman began his recording career at age 14 with the Romancers who recorded briefly on the Dootone label. At 17, he scored a hit with “Do You Want To Dance?” and appeared on the pop charts with various follow-ups through 1961. In 1964, he was back in the Top Ten with the dance-craze hit “C’mon and Swim”, which reached #5.

Dennis Locorriere was born  1949

(Dennis Loccorriere in the centre of this picture)

(born Dennis Michael Locorriere , New Jersey, U.S.) was the lead vocalist, guitarist of the pop/rock group Dr. Hook & The Medicine Show, later Dr Hook. He continues as a solo artist and songwriter.

Sylvias Mother:

 

David Gray was born in 1968

English singer-songwriter from Cheadle Heath. He released his first studio album in 1993 and received worldwide attention after the release of White Ladder six years later. It was the first of three UK chart-toppers in six years for Gray, the latter two of which also made the Top 17 in the US.

 

– Hallgeir