His friend and fellow musician Steve Cropper, who was on the same tour, said Dunn had died in his sleep.

BBC: Booker T bassist Donald Dunn dies in Tokyo aged 70

It was at Stax Records that he joined with other studio musicians guitarist Steve Cropper, bassist Lewie Steinberg and drummer Al Jackson to form the MGs.

NPR: Booker T. and the MG's

Because Jones, guitarist Steve Cropper, bassist Donald "Duck" Dunn and drummer Al Jackson Jr. recorded together constantly, they developed a signature sound grooves that are taut and sweet and uncluttered, intensely propulsive yet forever relaxed.

NPR: Masters of the Groove Get Loose and Propulsive