Duck Dunn, Bassist in Booker T. and the MG’s, Dies at 70

Duck Dunn, whose simple but inventive bass playing anchored numerous hit records and helped define the sound of Memphis soul music, died early Sunday in Tokyo, where he had been on tour. He was 70.

His death was announced online by the guitarist Steve Cropper, a longtime associate and fellow member of the instrumental quartet Booker T. and the MG’s, who said Mr. Dunn died in his sleep but did not specify a cause. Mr. Dunn and Mr. Cropper had been performing at the Tokyo Blue Note with a Stax Records alumni band....