The late president celebrated the impact and influence of the song, which decries war, nationalism, and the excesses of capitalism.

Southern Baptist Jimmy Carter’s funeral was marred by the singing of John Lennon’s “Imagine” at the National Cathedral. Garth Brooks and his wife Trisha Yearwood performed the song at a Christian funeral in a Christian church.

Many Christians on social media took issue with Trisha Yearwood and her husband Garth Brooks' performance of John Lennon's 1971 song "Imagine" during the funeral of former President Jimmy Carter at Washington National Cathedral on Thursday.