This July 27, 2011 photo shows musician Glen Campbell in Malibu, Calif. . Campbell, who was diagnosed with Alzheimer's disease is planning a farewell tour before retiring from the music. Campbell is canceling the Australia and New Zealand stops of his "Goodbye Tour" with Kenny Rogers next month for health reasons. (AP Photo/Matt Sayles)

Photo by: Matt Sayles

This July 27, 2011 photo shows musician Glen Campbell in Malibu, Calif. . Campbell, who was diagnosed with Alzheimer's disease is planning a farewell tour before retiring from the music. Campbell is canceling the Australia and New Zealand stops of his "Goodbye Tour" with Kenny Rogers next month for health reasons. (AP Photo/Matt Sayles)