Thomas LeRoy Organ, Jr. (born 22 February 1963), known professionally as Tommy Organ or Tommy "O", is an American musician, songwriter and producer. The son of Thomas LeRoy Organ, Sr. (1940 - 1966 Musician, Army Veteran) and Dorothy Louise Render-Organ (1941 Legal Secretary, Entrepreneur), he began playing music at a very young age. His brother, Derek LaMont Organ (1961 Musician) is a prolific session drummer. He has toured with such important artists as, Janet Jackson, Usher, Toni Braxton, TLC and The Jacksons. He also completed studio recordings with Ray Charles, Lionel Richie, Jimmy Jam and Terry Lewis. Tommy has also played in ceremonies of The Grammys, American Music Awards and MTV Music Awards with various artists. In 2009, Tommy was chosen as a guitarist in Michael Jackson's "This is it" Tour band. After the decease of Michael Jackson later that year, Tommy participated in Michael Jackson Tribute shows and as lead guitarist in The Jacksons’ “Unity Tour” in 2012 and 2013.