He also played on the Bee Gees' ambitious 1969 double LP, Odessa, before the band split up later that year. When they reunited in 1970 to embark on a new phase of their career, Petersen was out.
As purveyors of pure pop pleasantries over the past six years, the Bee Gees have few rivals extant ... track record (up to their fine double set Odessa), their music has declined.