Hawthorne Heights
John with Casey, Matt and JT (If Only You Were Lonely recording session)
Bobby Kimball
John with Bobby Kimball (Toto - Falling In Between World Tour)
Big Mama with Bobby Kimball (NAMM 2008)
Phoebe Snow
John & Kristen with Phoebe Snow (Queen Latifah's Trav'lin' Light Tour)
Brett Dennen
John with Brett Dennen (So Much More release Party)
Melinda Doolittle
Wendy, Kristen, & John with Melinda Doolittle (Idol 6 Tour)
Chris Richardson
Wendy & Kristen with Chris Richardson (Idol 6 Tour)
Gina Glocksen
John with Gina Glocksen and Sharlotte Gibson (Idol 6 Tour)
Sanjaya Malakar
Kristen with Sanjaya (Idol 6 Tour)
