Allee Willis — genius behind "Friends" theme song, finally gets her incredible story told

Allee Willis in her home recording studio, from THE WORLD ACCORDING TO ALLEE WILLIS, a Magnolia Pictures release. Photo credit: Maryanne Bilham. Photo courtesy of Magnolia Pictures.

Allee Willis may be the most influential artist you've never heard of. A new documentary, The World According to Allee Willis, reveals a renaissance woman who blazed trails a…