The core remains the Experiment, as astoundingly versatile a band as has ever existed, featuring Robert Glasper on keyboards, Derrick Hodge on bass, Mark Colenburg on drums, and Casey Benjamin on vocoder and saxophone. Providing the vocals throughout is another jaw-dropping roll call of vocalists including Common, Patrick Stump, Brandy, Jill Scott, Dwele, Marsha Ambrosius, Anthony Hamilton, Faith Evans, Norah Jones, Snoop Dogg, Lupe Fiasco, Emeli Sandé, Lalah Hathaway, and Malcolm-Jamal Warner.