Six years after the untimely death of Whitney Houston at age 48, her family is ready to commemorate her life with a new documentary. They granted Oscar-winning filmmaker Kevin Macdonald access to a treasure trove including “previously unreleased recordings, rare never-before-seen footage and live performances recorded by Houston at various stages her life, as well as original studio recordings and a capellas of some of the late singer’s greatest hits.”

Macdonald has crafted all of this raw material into a new film, “Whitney,” which will hit theaters on July 6. In anticipation of that release, a teaser trailer has just hit the airwaves. (Watch the video above) Among those featured in the film are Houston’s husband Bobby Brown, her mentor and record label boss Clive Davis and her co-star in “The Bodyguard” Kevin Costner.

Macdonald won the Academy Award for Best Documentary Feature in 2000 for “One Day in September,” a...