Some of the artists Robert has shared the stage with…

H.B. Barnum

Joy Basu

Harry Belafonte

Ndugo Chancler

Franco Da Vita

Neil Diamond

Ernie Fields

Foreigner

Robert Guillaume

Tremaine Hawkins

Jennifer Holliday

Gary Hoey

Cheryl Ladd

Frankie Laine

Kenny Loggins

Lois Mahalia

Reba McEntire

Hans Ottsen

Marty Paich

Alan Parsons

Freda Payne

Chynna Phillips

Lou Rawls

Kevin Savigar

Jack Sonni

Barry White

Bebe Winans

Cece Winans