Queen’s producer Roy Thomas Baker has died aged 78.

The studio wizard was best known for his lengthy working relationship with the British rock legends, having produced five of their albums, including 1975’s A Night at the Opera, which featured the timeless classic Bohemian Rhapsody.

Roy died on April 12 at his home in Lake Havasu City, Arizona. News of his passing was confirmed by his publicist in a statement, but no cause of death has been given.

The music star worked with several big artists and bands including David Bowie, Guns N’ Roses, Mick Jagger, Ozzy Osbourne, The Rolling Stones, Free, Journey, Yes and the Smashing Pumpkins.

He also helped produce four albums for The Cars in the 1970s and 80s as well as Mötley Crüe’s debut studio album Too Fast for Love.

However, he was best known for helping to create Queen’s classic tune Bohemian Rhapsody.