Lester Louis Adler is an American record producer, music executive, talent manager, songwriter, film director, film producer, and co-owner of the Roxy Theatre in West Hollywood, California. Adler has produced and developed a number of iconic musical artists, including The Grass Roots, Jan & Dean, The Mamas & the Papas and Carole King. King's Diamond-certified album Tapestry, produced by Adler, won the 1972 Grammy Award for Album of the Year, and is widely considered one of the greatest pop albums of all time.Adler was an executive producer of The Rocky Horror Picture Show, the longest-running theatrical film in history. He also discovered and produced comedy albums and films for Cheech & Chong. In 2006, Adler was awarded a star on the Hollywood Walk of Fame for his achievements in music. He was inducted into the Rock & Roll Hall of Fame in 2013 as the winner, alongside Quincy Jones, of the Ahmet Ertegun Award.