One of the 11 tracks, “One Heart, One Voice,” is not a duet but rather finds Streisand forming a trio with two of the biggest voices in music, Mariah Carey and Ariana Grande. Others signing on to sing with Streisand include Sting, James Taylor, Sam Smith, Josh Groban, Tim McGraw and Seal.

Barbra Streisand is collaborating with Mariah Carey and Ariana Grande on her upcoming duets album, 'The Secret of Life: Partners, Volume 2'.

Barbra Streisand's latest album is on the way, with some superstars helping out. The eight-time Grammy Award winner announced her 37th album, 'The Secret Of Life: Partners, Volume Two.' The record is a duet album and will feature duets with stars including Paul McCartney,