Keltner played on many key former Beatle solo releases, including Harrison's 1973 album "Living in the Material World" and Lennon's 1974 album "Walls and Bridges". When Ringo Starr recorded his first full-fledged pop album, "Ringo", Keltner was featured on several tracks. Following this, Keltner joined George Harrison on his 1974 tour of the United States.