Dr John: belonged to the pantheon of New Orleans keyboard wizards. Photograph:  Valentin Flauraud/EPA

Mac Rebennack, the pianist, singer, songwriter and producer better known as Dr John, who embodied the New Orleans sound for generations of music fans,(...)

Glen Campbell revealed in June 2011, a month before this photograph was taken,  that he had Alzheimer’s disease, saying it had been diagnosed six months earlier. Photograph: Matt Sayles/AP

Glen Campbell, the sweet-voiced, guitar-picking son of a sharecropper who became a recording, television and movie star in the 1960s and 1970s, waged (...)

Soul’s backpages are full of singers who lit up stages and studios with their work but never received their due acclaim. Betty Harris is one of this (...)