Singer Natalie Cole has died at age 65, her publicist confirmed.

It featured reworked versions of some of her father’s best-known songs. Nat “King” Cole died of lung cancer in 1965.

Cole underwent a successful kidney transplant at Cedars-Sinai Medical Center in Los Angeles in 2009. Her kidney troubles dated to February 2008, when she was diagnosed with hepatitis C.

Cole had said she attributed the illness to her well-publicized struggles to stop using cocaine and heroin. Cole had been sober for some time following stints in a rehabilitation clinic.