Norman-based country music icon Toby Keith and Claremore resident and former Jackson 5 member Tito Jackson were among the musical luminaries honored during the emotional In Memoriam segment at Sunday night’s 67th Grammy Awards . The tribute to the artists, producers and executives who died in the past year opened with a video homage to One Direction singer Liam Payne , who died in October at age 31 after falling from the third-floor balcony of a Buenos Aires hotel. Sitting at a piano, Coldplay frontman Chris Martin played and sang a fervent rendition of his band’s ballad “All My…..