What makes She Used to Be Mine by Sara Bareilles notable?

'She Used to Be Mine' received widespread critical acclaim and was nominated for a Tony Award for Best Original Score, highlighting its impact on the Broadway scene. It also resonated with audiences, often cited as an anthem for personal struggle and resilience, leading to notable performances that amplified its reach beyond the stage. By 2015, Sara Bareilles was transitioning from pop singer-songwriter to Broadway artist, having gained acclaim for her work on the musical 'Waitress'. 'She Used to Be Mine' marked a significant moment in this evolution, showcasing her ability to convey deep emotional narratives both in songwriting and performance. This track later became a defining piece of her repertoire, linking her musical roots with theatrical storytelling.