The Mamas & the Papas played something closer to folk rock, with bass and drums. Their rehearsals in the Virgin Islands were "the first time that we tried playing electric". The band then traveled from New York to Los Angeles for an audition with Lou Adler, co-owner of Dunhill Records. The audition was arranged by Barry McGuire, who had befriended Cass Elliot and John Phillips independently over the previous two years, and who had recently signed with Dunhill himself. It led to "a deal in which they would record two albums a year for the next five years", with a royalty of 5 percent on
The Mamas & the Papas February 1966 and became its only number-one on the "Billboard" 200. The third and final single from the album, "Monday, Monday", was released in March 1966. It became the band's only number-one hit in the US, reached number three in the UK, and was the first number-one on Spain's new Los 40 Principales. "Monday, Monday" won the Grammy Award for Best Pop Performance by a Duo or Group with Vocals in 1967. It was also nominated for Best Performance by a Vocal Group, Best Contemporary Song, and Record of the Year. Their second album, "The Mamas & the Papas", is