What better use for Crosby, Stills & Nash's three-part harmonies of peace and good times than the Lopez family? The Academy Award- and Grammy-winning Frozen composers Kristen Anderson-Lopez and Robert Lopez (who also has a Daytime Emmy and Tony Awards for writing Avenue Q and The Book of Mormon, making him a rare EGOT winner) took to Twitter on March 23 to post a video of them singing "Helplessly Hoping…
