The Lovin' Spoonful folk musicians who were involved with the American folk music revival of the 1950s through the early 1960s. Sebastian formed the Spoonful with guitarist Zal Yanovsky from a bohemian folk group called The Mugwumps (two other members, Cass Elliot and Denny Doherty, later formed half of the Mamas & the Papas), playing local coffee houses and small clubs. The formation of the Lovin' Spoonful during this period was later described in the lyrics of the Mamas & the Papas' 1967 top ten hit, "Creeque Alley". Drummer Jan Carl and bassist Steve Boone rounded out the group, but Carl was replaced
The Mamas & the Papas album "Romance Is on the Rise" (1974) by his then wife Geneviève Waïte, which he also produced; and he co-wrote "Kokomo" (1988), which was a number-one hit for the Beach Boys. Phillips was lost to heroin addiction through much of the 1970s, a period that culminated in his arrest and conviction in 1980 on a charge of conspiring to distribute narcotics, for which he spent a month in jail in 1981. In later years he performed with the New Mamas and the Papas (see below) and appeared in revival shows and television specials. He told his side of the Mamas