a&r Karl B. Jenkins a&r Patrick Reynolds arranged by [strings], conductor, cello Larry Gold bass HUB cello Jennie Lorenzo drums Ahmir '?uestlove' Thompson executive-producer Ahmir '?uestlove' Thompson executive-producer Richard Nichols executive-producer The Carter Administration guitar Kirk Douglass keyboards Kamal Gray mastered by Dave Klutch tracks 3, 4, 6, 8, 10 to 13 mixed by Jason Goldstein tracks 2, 7, 9, 13 mixed by Russell Elevado tracks 5 mixed by [drums premix] Russell Elevado percussion Frank "Knuckles" Walker tracks 5, 6, 9 producer Kevin Hanson tracks 3, 10, 11 producer Khari Mateen tracks 5, 6, 8, 9 producer Richard Nichols tracks 3 to 12 producer The Roots rap Black Thought tracks 3, 5, 8 rap [featuring] Malik B. tracks 2 to 6, 8 to 13 recorded by Jon Smeltz tracks 3, 10, 11 recorded by Khari Mateen tracks 2, 4, 5, 7 to 9, 13 recorded by Robert "LB" Dorsey tracks 2, 5, 6, 8, 9 recorded by Russell Elevado tracks 1, 2, 4, 7, 12, 13 recorded by Steve Mandel viola Davis Barnett violin Charles Parker violin Emma Kummrow violin Gloria Justen violin Igor Szwec Phonographic Copyright (p) Island Def Jam Music Group Copyright (c) Island Def Jam Music Group Manufactured By EDC, USA Distributed By Universal Music Distribution Barcode: 6 02517 00126 8 Matrix / Runout: B00 072 2202 01@ [EDC logo] MADE IN USA (Variant 1) Mastering SID Code: IFPI L006 (Variant 1) Mould SID Code: IFPI 0365 (Variant 1) Matrix / Runout: B00 072 2202 01@ [EDC logo] MADE IN USA (Variant 2) Mastering SID Code: IFPI L006 (Variant 2) Mould SID Code: IFPI 0363 (Variant 2) Matrix / Runout: B00 072 2202 01@ E [EDC logo] MADE IN USA (Variant 3) Mastering SID Code: IFPI L006 (Variant 3) Mould SID Code: IFPI 0380 (Variant 3) Matrix / Runout: B00 072 2202 01@ I [EDC logo] MADE IN USA BY UML (Variant 4) Mastering SID Code: IFPI L006 (Variant 4) Mould SID Code: IFPI 0313 (Variant 4)