ABBA Sound Engineer Michael B. Tretow Dies at 80

Michael B. Tretow, the renowned sound engineer often called the 'unofficial fifth member of ABBA,' has died at age 80. Tretow was instrumental in creating ABBA's distinctive sound, producing all of the band's albums except their 2021 release 'Voyage,' and was also a co-owner of their record label. All four ABBA members issued heartfelt tributes, praising his creative influence, warmth, and humor, with Benny Andersson calling him 'the finest sound engineer the world has ever seen.' Fans and music industry peers have also paid tribute, highlighting Tretow's lasting legacy in Swedish pop music. The cause of his death has not been publicly disclosed, though it was noted he had been ill. His passing is considered a significant loss for ABBA and the global music community.