https://www.billboard.com/articles/news/grammys/8496902/2019-grammys-10-things-were-most-excited-about "It seems unlikely that Gaga will perform anything form A Star Is Born, given that she and Bradley Cooper will debut their "Shallow" duet at the Oscars two weeks later. So our best guess of which song she'll perform is "Joanne (Where Do you Think You're Goin'?)," since a piano version of the song is nominated for best pop solo performance and her producer and co-songwriter Mark Ronson is a