VIDEO : Tom Petty Died Due to Accidental Drug Overdose

LOS ANGELES (Reuters) - Rocker Tom Petty died in October due to ?multisystem organ failure? brought on by an accidental overdose of seven medications, the Los Angeles County Medical Examiner?s office said on Friday. The coroner?s office attributed Petty?s death at the age of 66 to a ?mixed toxicity? of fentanyl, oxycodone, temazepam, alprazolam, citalopram, acetyl fentanyl, and despropionyl fentanyl. Petty, best known for his roots-infused rock music, carved a career as a solo artist as well as with his band The Heartbreakers and as part of supergroup The Traveling Wilburys.