Adam Noah Levine ( lə-VEEN; born March 18, 1979) is an American musician who is the lead singer, guitarist and sole continuous member of the pop rock band Maroon 5. . Levine began his musical career in 1994 with the band Kara's Flowers, for which he served as lead vocalist and lead guitarist. After the commercial failure of their only album, The Fourth World, the group was reformed in 2001 as Maroon 5 – with James Valentine replacing him as lead guitarist.
https://en.wikipedia.org/wiki/Adam_Levine