Big Machine's Tim McGraw is among the artists performing at Fox Presents the iHeart Living Room Concert For America during the iHeartRadio Music Awards’ original broadcast timeslot (CAT 1/8) Sunday (3/29) from 9-10pm ET/6-7 pm PT on Fox and iHeart stations. The Elton John-hosted benefit special will feature McGraw, Alicia Keys, Backstreet Boys, Billie Eilish, Billie Joe Armstrong, Mariah Carey and more performing from their homes using their personal cell phones, cameras and audio equipment. The commercial-free event – executive produced by iHeart's Tom Poleman and John Sykes and Tenth Planet Productions' Joel Gallen – will pay tribute to the front line health professionals, first responders and local heroes and encourage viewers to support Feeding America and First Responders Children’s Foundation. More here.