Artist: Jessie J - Producer: Scott Riesett - Artist: Grease Live Cast - Producer: Tom Kitt - Producer: Kuk Harrell - Mixer: Frank Wolf - Engineer: Steve Genewick - Mastering Engineer: Gavin Lurssen - Bass (Vocal): Mike Valerio - Drums: Chris Steele - Guitar: George Doering - Guitar: Dean Parks - Hammond B3: Larry Goldings - Hammond B3: Doug Petty - Percussion: Brian Kilgore - Trumpet: Rob Schaer - Trumpet: Dan Rosenboom - Trumpet: Dan Fornero - Trombone: Steve Holtman - Trombone: Bill Reichenbach - Concertmaster: Charlie Bisharat - Violin: Tammy Hatwan - Violin: Songa Lee - Violin: Ben Powell - Violin: Serena McKinney - Violin: Josefina Vergara - Violin: Alyssa Park - Violin: Roger Wilkie - Violin: Christian Hebel - Viola: Shawn Mann - Viola: Alma Fernandez - Viola: Luke Maurer - Cello: Andrew Shulman - Cello: Tim Loo - Cello: Cecilia Tsan - Conductor: Jared Stein