 Costello/Hilker had written, produced and/or engineered projects for clients such as DJ Z-Trip, Kristine W, Glen Campbell Music, Robert Kiyosaki, Caroline Records, Fox Family Channel, FoxKids Cartoons, ABC Family, Michael Shenker, Keel (band), MasterSource Music Catalog, Network Music, OneMusic, The Hollywood Edge, Oregon Catholic Press, FirstCom Music and KTVK to name a few.After producing projects for several TV networks, music libraries and music publishers, Costello and Hilker desired broader creative latitude and additional outlets for their music.In 2002 they teamed with New York City native Jeff Freundlich and changed their moniker to Wild Whirled Music.