The loss was felt all over social media, where fans and fellow musicians paid heartfelt tributes to the singer whose prolific career spanned decades.
The range of musicians who said they were inspired by Petty serves as reminder of the influence he wielded over the aspiring artists who came after him. Sheryl Crow, Chuck D and Ryan Adams were just some of the famous names who posted their condolences on Twitter.
"Thank you for giving so much, a lifetime of inspiration and love," singer Ryan Adams tweeted. "Your music has changed this world for the better."
Petty amassed a passionate fanbase, thanks to hits like "American Girl" and "Mary Jane's Last Dance." Some of the tribute tweets were posted in the early afternoon on Monday, before the media had to backtrack its reporting that said Petty had passed away. Petty's family said in a statement that the singer passed away late Monday night.
Away from the music community, fans big and small also remembered Petty and his music.
Read More: 'Heartbroken': The music world, fans react to death of Tom Petty