It’s like the Super Bowl for online fan armies: Megastars Taylor Swift and Beyoncé will be performing at SoFi Stadium this summer, a mere month apart. Eslabon Armado, Crypto.com Arena The Patterson, Calif., sierreña band, a staple of the regional Mexican charts, has made music history in the last 12 months: Its 2022 album, “Nostalgia,” became the genre’s first album …