Linda Ronstadt (1946) American pop singer
On how she still sings in her head since retiring from music due to having Parkinson’s disease in “Linda Ronstadt Talks Illness, ‘Trio’ Album in Candid ‘CBS Sunday Morning’ Interview” https://www.rollingstone.com/music/music-country/linda-ronstadt-cbs-sunday-morning-interview-789524/ in Rolling Stone (2019 Feb 4)