"David Leaf" is an American screenwriter/writer, film producer/producer, and film director/director known for documentaries, music programs, and pop culture retrospectives. Among his best-known documentaries are "The Night James Brown Saved Boston" (2008), "The U.S. vs. John Lennon" (2006), "Beautiful Dreamer: Brian Wilson and the Story of Smile" (2004), and "Bee Gees: This Is Where I Came In" (2001).
Leaf's television credits include being one of the Emmy-nominated (and Peabody Award-winning) writers on September, 2001’s landmark all-network telethon "America: A Tribute to Heroes". That same year, Leaf was a producer of the Emmy-nominated "Billy Joel: In His Own Words" (A&E).More David Leaf on Wikipedia.
What you will hear in his words is that Brian was not only the musician who was most influential in driving The Beatles in a more artistic and advanced direction musically, but that the 'Sgt. Pepper' album in particular was a direct outgrowth of Brian's productions of 'Pet Sounds' and 'Good Vibrations,' .David Leaf