[6][3] Lang obtained a bachelor of music at the University of Michigan in 1963, and studied under Leonard Stein, George Tremblay, Pearl Kaufman, and Lalo Schifrin.
This versatility enabled him to build career as an accompanist for a large body of artists including Ray Charles, Natalie Cole, Ella Fitzgerald, Aretha Franklin, Marvin Gaye, Vince Gill, NSYNC, Milt Jackson, Lee Konitz, Diana Krall, John Lennon, Arturo Sandoval, Barbra Streisand, Josh Groban, and Frank Zappa.
He also played with some of the biggest names in jazz, such as Lee Ritenour, Oliver Nelson, Bud Shank, Don Ellis, Shelly Manne and Stan Kenton.
Lang's motion picture credits include: Oblivion, Dreamer, As Good As It Gets, The Edge, Mr. Holland's Opus, The Mummy: Tomb of the Dragon, Memoirs Of A Geisha, A Dog Year, Seven Pounds, The Day the Earth Stood Still, High School Musical 3: Senior Year, Bedtime Stories, Public Enemies, Confessions of a Shopaholic, Hannah Montana: The Movie, A Thousand Words, The Forlorn, They Came from Upstairs, A League of Their Own, The Russia House, Arachnophobia, Twilight Zone: The Movie, Black Sunday, The Towering Inferno, The Paper Chase, The Poseidon Adventure, and Close Encounters of the Third Kind.
With Robbie Williams With John Lennon With Sarah Vaughan With Dusty Springfield With Solomon Burke With Tom Waits With Peggy Lee With José Feliciano With Vince Gill With Bette Midler With Kenny Rogers With Aretha Franklin With Willie Nelson With Natalie Cole With Amy Grant With Paul Anka With Melissa Manchester With Neil Diamond With Michael Bolton With Barry Manilow With Carole Bayer Sager With Barbra Streisand