This documentary tries to decipher the relationship of the Gibb brothers. It also tackles the impact the Bee Gees had on a variety of musical genres that included:  r&b, disco, dance, and rock. Their rise and multiple falls and comebacks are dealt with. Between the musical clips and interview with their peers, it may not dig much below the surface but if you are a fan, this is essential viewing.

The Bee Gees: How Can You Mend a Broken Heart (2020) | Official Trailer | HBO – YouTube