Overview

• Michael B. Tretow, ABBA's longtime sound engineer, passed away on May 20, 2025, at the age of 80, as confirmed by his family and ABBA’s management.
• Tretow was instrumental in creating ABBA's signature sound, contributing to hits like 'Ring Ring,' 'Waterloo,' and 'Super Trouper.'
• ABBA members paid heartfelt tributes, highlighting his warmth, creativity, and pivotal role in their music's success.
• He pioneered groundbreaking recording techniques, including unique microphone setups for drums and piano, that influenced modern pop production.
• While he worked on nearly all ABBA albums, Tretow did not participate in their 2021 comeback project, 'Voyage.'