Ken Stacey (born in Los Angeles, California) is a session vocalist and backing vocalist. He has worked with Michael Jackson, Phil Collins, Johnny Hallyday, Natalie Jackson, Richard Marx, and Phil Ramone, among many others. One of his biggest highlights was singing backing vocals and playing acoustic guitar on occasional songs at Elton John's 2000 One Night Only concert in Madison Square Garden. His vocal work has appeared in various commercials for companies including McDonald's, Dodge, Coors, Toyota, and Ralphs. More recently, Stacey has taken over for David Pack in the rock band Ambrosia. It has also been recently confirmed that Stacey will be providing vocals for the theme song to Ace Combat: Assault Horizon.