Heartstrings, prepare to be tugged. Once, the Broadway-bound musical currently running at the New York Theatre Workshop, has released a trailer. In the Dublin-set musical, based on the hit indie film, an Irish musician (Steve Kazee) and a Czech immigrant (Cristin Milioti) are drawn together by their shared love of music that becomes a powerful but complicated love story. Check out this emotionally charged video teaser, complete with Oscar winning song “Falling Slowly,” then be sure to see these stars and more on Broadway beginning February 28 at the Jacobs Theatre.