Complex sentence: In 2000, Watson signed to Dr. Dre's Aftermath Entertainment label subsequently appearing in a role in the 2001 motion picture "Ali" as a lounge singer and in a more major role in the 2001 film "The Wash".
Split into simpler sentences: In 2000, Watson signed to Dr. Dre's Aftermath Entertainment label. Watson also appeared as a lounge singer in the 2001 motion picture "Ali" and in a more major role in the 2001 film "The Wash".