Lady Gaga will sing the national anthem at Joe Biden’s swearing-in ceremony, which will feature a performance by Jennifer Lopez.Lady Gaga will sing the national anthem at Joe Biden’s swearing-in ceremony, which will feature a performance by Jennifer Lopez.Read MorePop and Rock Music, Inaugurations, Biden, Joseph R Jr, Lady Gaga, Lopez, Jennifer, United States Politics and Government, Quarantine (Life and Culture), Poetry and Poets, Presidential Transition (US)