“The finest sound engineer the world has ever seen”: ABBA pay tribute to Michael B Tretow - often referred to as their ‘fifth member’ and a key architect of their sound - who has died, aged 80

ABBA.

It’s been confirmed that audio engineer Michael B Tretow - often referred to as the fifth member of ABBA - has died at the age of 80.

Although production credits on all ABBA’s albums were shared between band members Benny Andersson and Björn Ulvaeus, it’s widely acknowledged that Tretow played a huge role in creating the ‘ABBA sound’.