Kerry Brothers Jr.

Kerry Brothers Jr. (born October 1, 1970), also known as "Krucial", is an American record producer, songwriter and hip hop artist. Brothers and singer-songwriter Alicia Keys began a musical partnership in the mid-1990s, co-writing and co-producing together a number of songs from her first four albums. He received two Grammy Awards from his collaborative work with Keys: Best R&B Album for Songs in A Minor and Best R&B Song for "No One".

In 2006, Brothers released his debut EP Take Da Hood Back. Brothers co-wrote songs that appeared on the soundtracks of the films Dr. Dolittle, Shaft, and Ali. He has also worked with other R&B and hip hop artists including Mario, Rakim, Angie Stone, Nas, Keyshia Cole, Goapele, Drake and K'naan.