James Arthur belted his hit ballad "Say You Won't Let Go" on Tuesday's Tonight Show. The British singer-songwriter slowed down the tempo from the studio version and stripped back the arrangement to a somber acoustic guitar and piano.
Arthur showcased the full spectrum of his vocal talents, opening in a subdued croon and building to a climactic, soulful roar.
"Say You Won't Let Go" was an international smash in 2016, reaching Number 16 on the Billboard Hot 100 and topping the charts in the U.K., Australia, New Zealand, Sweden and Ireland. The song appears on Arthur's second album, last year's Back From the Edge.
Arthur broke out in 2012 after winning the ninth season of British singing competition The X Factor, leading to a string of hit singles, including "Impossible" and "You're Nobody 'til Somebody Loves You."
This summer, Arthur will join OneRepublic and Fitz and the Tantrums on a massive North American tour that launches July 7th in Kansas City, Missouri.