Producer: Dr. Dre - Artist: Marsha Ambrosius - Producer: Erik "Blu2th" Griggs - Producer: Marsha Ambrosius - Mixer: Dr. Dre - Vocalist: Marsha Ambrosius - Cello: Adrienne Woods - Violin: Charlie Bisharat - Trombone: Chris Johnson - Trumpet: Chris Lowery - Violin: Chris Woods - Violin: Christian Hebel - Strings Conductor: Christopher Anderson-Bazzoli - Violin: Daphne Chen (Concertmistress) - Programming: Dem Jointz - Programming: Focus... - Programming: FredWreck - Cello: Giovanna Moraga-Clayton - Violin: Heather Powell - Violin: Ina Veli - Violin: Jennifer Takamatsu - Flute: Jerry “Jay Flat” Williams - Saxophone: Jerry “Jay Flat” Williams - Violin: Juliette Jones - Violin: Katie Sloan - Viola: Leah Katz - Viola: Linnea Powell - Violin: Lucia Micarelli - Violin: Marisa Kuney - Cello: Niall Ferguson - Cello: Peggy Baldwin - Violin: Radu Pieptea - Contrabass Recorder: Reggie Hamilton - Cello: Richard Dodd - Viola: Rocio Marron - Viola: Rodney Wirtz - Violin: Shigeru Logan - Viola: Stefan Smith - Violin: Susan Chatman - Contrabass Recorder: Tim Eckert - Contrabass Recorder: Trey Henry - Mastering Engineer: Brian "Big Bass" Gardner - String Arranger: Eric Gorfain - Recording Engineer: Lola A. Romero - Recording Engineer: Ross Hogarth - Asst. Recording Engineer: Jeffery “Champ” Massey - Asst. Recording Engineer: Jeremy Zumo Kollie - Asst. Recording Engineer: Johnny Morgan - Asst. Recording Engineer: Scott Moore