An autopsy under way right now to try to determine what caused the death of the music icon. It has been 24 hours since prince was pronounced dead at his home studio in suburban minneapolis. The mayor of the city says the loss is too large to describe. He was just 57 years old leaving his mark around the world as one of the greatest musical geniuses, and that is no overstatement of his generation and more. Grammywinning singer, songwriter, composer, producer, performer, he did everything. He did it all literally. Known for playing every instrument, singing every line of many of his songs. A huge party in his honor went throughout the night in his hometown of minneapolis, and that is where we will begin this hour. Stephanie elam is outside Paisley Park Studios where prince lived and he died. Stephanie, what are you seeing there . Reporter yeah, thats right, kate and john. A lot of people wanting to know exactly what led to his death. We do know that that autopsy is under way at this hour