“Texas Hold ‘Em” launches at No. 1. Plus, her “16 Carriages” rolls in at No. 9. Pop and R&B/hip-hop superstar Beyoncé makes her debut on Billboard’s streaming-, airplay- and sales-based Hot Country Songs chart (dated Feb. 24) with her first two entries on the survey: “Texas Hold ‘Em” at No. 1 and “16 Carriages” at No. 9. Prior to the …