Parent album The Great Divide also starts at No. 1 on Top Rock & Alternative Albums. Noah Kahan Patrick McCormack/Courtesy Mercury Trending on Billboard Noah Kahan tops Billboard ’s Hot Rock & Alternative Songs chart for a second time as “Doors” debuts at No. 1 on the tally dated May 9. In the week ending April 30, the song, released April 24 on Kahan’s album The Great Divide , totaled 17.9 million chart-eligible streams, 135,000 in radio audience and 1,000 sold in the United States, according to Luminate. Kahan led with the new set’s title track for a week upon its debut in February; “The Great Divide” concurrently ranks at No. 2 (15 million streams, 13.9 million radio audience impressions, 1,000 sold). Explore See latest videos, charts and news The singer-songwriter claims the top four on Hot Rock & Alternative Songs with music from The Great Divide .…