Adam Noah Levineis an American singer-songwriter and musician, best known as the front man and guitarist for the pop rock band Maroon 5. He is also a coach on the American talent show The Voice. Levine has collaborated with various musical acts. In 2005, Levine was featured on the Ying Yang Twins song "Live Again". He appeared on Kanye West's Late Registration album, on the third single, "Heard 'Em Say". He is also featured in the song "Wild Horses" on Alicia Keys ' third album Alicia Keys: MTV Unplugged. He co-wrote the track "Say It Again" on Natasha Bedingfield's album N.B.. He also performed the background vocals on this song. Most recently, Levine offered his vocals on Gym Class Heroes' newest album in the song "Stereo Hearts".
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