By Oliver Gettell
Updated January 18, 2016 at 12:00 PM EST
AP Photo/NFL Photos

The music world lost one of its great guitarists Monday when Glenn Frey, the co-founder of classic rock band the Eagles, died at age 67.

Almost immediately, Frey’s fellow musicians and entertainers, including Questlove, Cameron Crowe, Carole King, Steve Martin, Miles Teller, and Sheryl Crow took to Twitter to pay their respects.

Read some of the tributes below.