With only four more days until the #GRAMMYSaluteBeachBoys special, watch @MumfordAndSons describe the "fervor and enjoyment and love" of performing in honor of America's Band. 🎶 Watch the special and sing along on Sunday, April 9, at 8 p.m. ET/PT, on @CBS and @paramountplus. t.co/iRocPMoyCs