SEATTLE — We’ve said it before, but 2021 truly was the year of the Foo. Between a new Foo Fighters album, their pandemic-delayed 26th anniversary tour that saw the rock giants reopening arenas en route to a Rock & Roll Hall of Fame induction, and too many side projects to mention, the band made more headlines than Kanye West on his way to the Super Bowl. Speaking of the Super Bowl, Dave Grohl and the rock ‘n’ roll ambassadors have carried their ubiquitous ways into the new year, playing a virtual reality concert after the big game and plotting a heavy spring/summer tour schedule that includes …