Photo gallery: Fans mourn Tom Petty at Hollywood Walk of FAme LOS ANGELES, CA - OCTOBER 02: Guitar picks lie scattered across a makeshift memorial at the Tom Petty and the Heartbreakers star on The Hollywood Walk of Fame on October 2, 2017 in Los Angeles, California. Musician Tom Petty has died at the age of 66 after suffering a cardiac arrest. (Photo by David McNew/Getty Images)Photo by: David McNew Photo gallery: Fans mourn Tom Petty at Hollywood Walk of FAme LOS ANGELES, CA - OCTOBER 02: People look at the Tom Petty and the Heartbreakers star on The Hollywood Walk of Fame on October 2, 2017 in Los Angeles, California. Musician Tom Petty has died at the age of 66 after suffering a cardiac arrest. (Photo by David McNew/Getty Images)Photo by: David McNew Photo gallery: Fans mourn Tom Petty at Hollywood Walk of FAme LOS ANGELES, CA - OCTOBER 02: A man lights a cigarette from a candle on the Tom Petty and the Heartbreakers star on The Hollywood Walk of Fame on October 2, 2017 in Los Angeles, California. Musician Tom Petty has died at the age of 66 after suffering a cardiac arrest. (Photo by David McNew/Getty Images)Photo by: David McNew Photo gallery: Fans mourn Tom Petty at Hollywood Walk of FAme LOS ANGELES, CA - OCTOBER 02: A detail of a makeshift memorial at the Tom Petty and the Heartbreakers star on The Hollywood Walk of Fame on October 2, 2017 in Los Angeles, California. Musician Tom Petty has died at the age of 66 after suffering a cardiac arrest. (Photo by David McNew/Getty Images)Photo by: David McNew Photo gallery: Fans mourn Tom Petty at Hollywood Walk of FAme NASHVILLE, TN - APRIL 25: Tom Petty of Tom Petty and the Heartbreakers performs during their 40th Anniversary Tour at Bridgestone Arena on April 25, 2017 in Nashville, Tennessee. (Photo by Rick Diamond/Getty Images for Sacks & Co)Photo by: Rick Diamond Photo gallery: Fans mourn Tom Petty at Hollywood Walk of FAme LOS ANGELES, CA - OCTOBER 02: A man touches the Tom Petty and the Heartbreakers star on The Hollywood Walk of Fame after Petty suffered a massive heart attack last night that left him in very grave condition, on October 2, 2017 in the Hollywood section of Los Angeles, California. (Photo by David McNew/Getty Images)Photo by: David McNew Photo gallery: Fans mourn Tom Petty at Hollywood Walk of FAme NASHVILLE, TN - APRIL 25: (EDITOR'S NOTE: Image has been converted to black and white.) Tom Petty of Tom Petty and the Heartbreakers performs during their 40th Anniversary Tour at Bridgestone Arena on April 25, 2017 in Nashville, Tennessee. (Photo by Rick Diamond/Getty Images for Sacks & Co)Photo by: Rick Diamond Photo gallery: Fans mourn Tom Petty at Hollywood Walk of FAme SANTA MONICA, CA - OCTOBER 02: Music fans Monika Basse (L) and her mother Lena Basse leave flowers outside UCLA Medical Center, Santa Monica where rock musician Tom Petty was taken last night after suffering a massive heart attack, leaving him in very grave condition on October 2, 2017 in Santa Monica, California. (Photo by David McNew/Getty Images)Photo by: David McNew Photo gallery: Fans mourn Tom Petty at Hollywood Walk of FAme LOS ANGELES, CA - OCTOBER 02: A man touches the Tom Petty and the Heartbreakers star on The Hollywood Walk of Fame after Petty suffered a massive heart attack last night that left him in very grave condition, on October 2, 2017 in the Hollywood section of Los Angeles, California. (Photo by David McNew/Getty Images)Photo by: David McNew Photo gallery: Fans mourn Tom Petty at Hollywood Walk of FAme SANTA MONICA, CA - OCTOBER 02: Flowers are seen outside UCLA Medical Center, Santa Monica where rock musician Tom Petty was taken last night after suffering a massive heart attack, leaving him in very grave condition on October 2, 2017 in Santa Monica, California. (Photo by David McNew/Getty Images)Photo by: David McNew Photo gallery: Fans mourn Tom Petty at Hollywood Walk of FAme LOS ANGELES, CA - OCTOBER 02: People look at the Tom Petty and the Heartbreakers star on The Hollywood Walk of Fame on October 2, 2017 in Los Angeles, California. Musician Tom Petty has died at the age of 66 after suffering a cardiac arrest. (Photo by David McNew/Getty Images)Photo by: David McNew Photo gallery: Fans mourn Tom Petty at Hollywood Walk of FAme LOS ANGELES, CA - OCTOBER 02: People look at the Tom Petty and the Heartbreakers star on The Hollywood Walk of Fame on October 2, 2017 in Los Angeles, California. Musician Tom Petty has died at the age of 66 after suffering a cardiac arrest. (Photo by David McNew/Getty Images)Photo by: David McNew Photo gallery: Fans mourn Tom Petty at Hollywood Walk of FAme LOS ANGELES, CA - OCTOBER 02: A boy looks at the Tom Petty and the Heartbreakers star on The Hollywood Walk of Fame on October 2, 2017 in the Hollywood section of Los Angeles, California. Tom Petty suffered a massive heart attack on October 2nd that has left him in very grave condition. (Photo by David McNew/Getty Images)Photo by: David McNew Photo gallery: Fans mourn Tom Petty at Hollywood Walk of FAme LOS ANGELES, CA - OCTOBER 02: People look at the Tom Petty and the Heartbreakers star on The Hollywood Walk of Fame on October 2, 2017 in Los Angeles, California. Musician Tom Petty has died at the age of 66 after suffering a cardiac arrest. (Photo by David McNew/Getty Images)Photo by: David McNew Photo gallery: Fans mourn Tom Petty at Hollywood Walk of FAme NASHVILLE, TN - APRIL 25: Tom Petty of Tom Petty and the Heartbreakers performs during their 40th Anniversary Tour at Bridgestone Arena on April 25, 2017 in Nashville, Tennessee. (Photo by Rick Diamond/Getty Images for Sacks & Co)Photo by: Rick Diamond Photo gallery: Fans mourn Tom Petty at Hollywood Walk of FAme LOS ANGELES, CA - OCTOBER 02: A man looks at the the Tom Petty and the Heartbreakers star on The Hollywood Walk of Fame on October 2, 2017 in the Hollywood section of Los Angeles, California. Tom Petty suffered a massive heart attack on October 2nd that has left him in very grave condition. (Photo by David McNew/Getty Images)Photo by: David McNew Photo gallery: Fans mourn Tom Petty at Hollywood Walk of FAme LOS ANGELES, CA - OCTOBER 02: People look at a makeshift memorial at the Tom Petty and the Heartbreakers star on The Hollywood Walk of Fame on October 2, 2017 in Los Angeles, California. Musician Tom Petty has died at the age of 66 after suffering a cardiac arrest. (Photo by David McNew/Getty Images)Photo by: David McNew Photo gallery: Fans mourn Tom Petty at Hollywood Walk of FAme SANTA MONICA, CA - OCTOBER 02: Monika Basse takes a photograph after leaving flowers outside UCLA Medical Center, Santa Monica where rock musician Tom Petty was taken last night after suffering a massive heart attack, leaving him in very grave condition on October 2, 2017 in Santa Monica, California. (Photo by David McNew/Getty Images)Photo by: David McNew