Premise: Brian Douglas Wilson ( born June 20 , 1942 ) is an American musician , singer , songwriter , and record producer best known for being the multi-tasking leader and co-founder of the rock band the Beach Boys . The Beach Boys . The group 's original lineup consisted of brothers Brian , Dennis , and Carl Wilson ; their cousin Mike Love ; and their friend Al Jardine .
Hypothesis: The Beach Boys had a leader in Brian Wilson.
Label: ENTAILMENT