The song spends its 11th week atop Adult Alternative Airplay. Noah Kahan Patrick McCormack/Courtesy Mercury Noah Kahan ’s “The Great Divide” becomes the sole longest-leading No. 1 on Billboard ’s Adult Alternative Airplay chart this decade, as well as in nearly 10 years, spending its 11th week atop the tally dated May 9. The song’s command, which began on the Feb. 28-dated chart and has run consecutively, equals the 11-week lead for Portugal. The Man ’s “Feel It Still” in 2017. “The Great Divide” is one of just three songs to spend at least 10 weeks at No. 1 on Adult Alternative Airplay in the 2020s, following 10 each for Mumford & Sons and Hozier ’s “Rubber Band Man” (2025-26) and Hozier’s “Too Sweet” (2024). The all-time leader, U2 ’s “Beautiful Day,” dominated for 16 weeks beginning in 2000. (The chart’s history dates to January 1996, with the list currently measuring weekly plays on nearly 50 stations in the format.) “The Great Divide” has more than doubled Kahan’s previous longest No.…