Black Sabbath singer Ozzy Osbourne's sisters recall their final interactions before his death at 76, noting he was frail but still joking before a farewell performance in England.

Ozzy Osbourne sent a heartfelt message to his longtime guitarist in the final days before his death. In a recent interview with Guitar World, musician Zakk Wylde revealed the final text he received from the late rock star,

Ozzy Osbourne was at home amid the things he loves most in the days leading up to his death, a source tells PEOPLE. Osbourne, 76, died on Tuesday, July 22, with his family, including wife Sharon, by his side.