Alan Charles Jardine is an American musician who co-founded the Beach Boys. He is best known as the band's rhythm guitarist, background vocalist, and for occasionally singing lead vocals on singles such as "Help Me, Rhonda" (1965), "Then I Kissed Her" (1965), "Cottonfields" (1970), and a cover of the Del-Vikings’ "Come Go with Me" (1981). His song "Lady Lynda" was also a UK top 10 hit for the group in 1978. Other Beach Boys songs that feature Jardine on lead include "I Know There's an Answer" (1966), “Vegetables" (1967), a cover of Buddy Holly’s “Peggy Sue” (1978), and "From There to Back Again" (2012).

Brian Douglas Wilson is an American musician, singer, songwriter, and record producer who co-founded the Beach Boys. Often called a genius for his novel approaches to pop composition, extraordinary musical aptitude, and mastery of recording techniques, he is widely acknowledged as one of the most innovative and significant songwriters of the 20th century. His best-known work is distinguished for its high production values, complex harmonies and orchestrations, layered vocals, and introspective or ingenuous themes. Wilson is also known for his formerly high-ranged singing and for his lifelong struggles with mental illness.