Lizzo, Bad Bunny, Mary J. Blige, Brandi Carlile, Luke Combs, Steve Lacy and Sam Smith & Kim Petras are previously-announced performers.
Strong -- who passed away Sunday, Jan. 29, at the age of 81 in Detroit -- co-wrote some of Motown's most enduring hits.
‘SOS’ is the first R&B album to spend its first seven weeks at No. 1 since Whitney Houston’s ‘Whitney’ in 1987.
See Baker's rendition of "The Star-Spangled Banner" from Philadelphia's Lincoln Field.
Career achievement winner Jamie Lee Curtis said being a grownup is "a badge of honor that I wear proudly on my face, on my body, in my mind and in my soul."
"Tom Verlaine is one of the greatest rock musicians ever," Flea wrote.
The Atlanta rapper's performance featured tracks from his Billboard 200-topping album, "It's Only Me."
"I woke up and spoke up for myself … can you believe it ??? Honestly I couldn't either … so with that said, please again know I'm doing the best I can," Spears wrote on Twitter.
This year's festival revolves around the theme "Adscendo" and takes place on July 21-23 and July 28-30.
Verlaine died peacefully and surrounded by friends in New York City.
