Nick Jonas as Danny and Paul Rudd as Rick in 'Power Ballad.' David Cleary/Lionsgate Share on Facebook Share on X Google Preferred Share to Flipboard Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Send an Email Print the Article Post a Comment "I'm always on the lookout for interesting characters that suggest a world," says John Carney, the director behind music-driven films like Once and Sing Street.