The "Tears Dry On Their Own" hitmaker died in 2011 and Miller says he and her band still try and do things together to keep her memory alive, reported Contactmusic.
Miller, who is has worked with the likes of Adele and Laura Mvula, says, "I still keep in touch with everyone in her band and we do try and do things to remember. I think about her a lot, not just on the anniversary, I genuinely miss her, as a person as well as a musician.