The late, great Chuck Berry's last two albums for Chess Records, dating from 1973 and 1975. 'Bio' has Elephant's Memory providing backing on most tracks, who had come to fame by backing John Lennon. 'Chuck Berry '75' is a mixture of Berry originals and covers, and brought down the curtain on his 21 year association as a Chess recording artist. Digitally remastered and slipcased, with extensive new notes.