Did Brandi Carlile Just Reveal Dave Grohl’s Mystery Project? Music News by Editor - April 29, 20190 Carlile: “I don’t totally want to give it away, but he came out to my house to talk to me about something he’s working on. It’s more like one of his doc-series.” Continue reading… source https://loudwire.com/did-brandi-carlile-just-reveal-dave-grohls-mystery-project/