In his latest film, 'Power Ballad,' director John Carney highlights the importance of music in storytelling. The film features Paul Rudd as Rick Power, a wedding band frontman who confronts the theft of his song by former boy band member Nick Jonas, who plays Danny Wilson. Carney, known for his music-centric films like 'Once' and 'Begin Again,' appreciates Jonas' collaborative spirit, noting that he only co-wrote one song, 'Spectacular,' and did not demand a larger creative role. Carney finds it essential to maintain a focus on music for funding and storytelling, stating that he enjoys the challenge of creating narratives within musical contexts. He also discusses the significance of fair acknowledgment in collaborations and expresses a desire to explore musical biopics, emphasizing the complexity of musicians' lives. 'Power Ballad' is set to open in theaters on June 5.