After 11 years pushing A Star Is Born as producer though three studio administrations — not counting the earlier iterations with Whitney Houston, Aaliyah, Lauryn Hill and Will Smith he worked on while a Warners exec — Bill Gerber is moving on to other projects. Not surprising, a lot of what he's working on remains in the realm of music. One of them solves the lingering mystery of the absence of Neil Young in Woodstock, the 1970 Michael Wadleigh-directed documentary.