Mixing melodious classical music with R&B hooks and hip-hop swagger, this playlist reveals charismatic A-lister Alicia Keys' wide-ranging inspirations. The East Coast hip-hop of Wu-Tang Clan, the flawless piano of Daniel Barenboim, the stirring soul of Marvin Gaye, the striking vocals of Barbra Streisand and the eternal cool of Miles Davis all shed light on the workings of a unique musical mind.