Compositores: Eric Andrew Howk - Jason Wade Sechrist - John Baldwin Gourley - Zachary Scott Carothers - Kyle Oquin - Demitri Oneal Simms - Erick E Elliot - Asa - Sean Michael Anderson - Adam Richard Wiles - Katy Perry - Pharrell Williams - Brittany Talia Hazzard - Martin Sjolie - Si