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By Kathleen Perricone

Ed Sheeran is back with new music!

His single, “Sing,” is set to be released on Monday, and he explained to On Air with Ryan Seacrest that it was one of many track he wrote while on tour with Taylor Swift.

“Over the course of the year, I did around 120 songs,” revealed Ed. “I wrote the whole of this next record. I wrote the whole of the next, and the whole of the next. But I heard Bob Marley‘s whole career was based off songs he wrote in a two-year period.”

Buy “Sing” on iTunes on Monday!