What makes Breakin' Up by Rilo Kiley notable?

'Breakin' Up' reached number 23 on the Billboard Hot Dance Club Songs chart, demonstrating Rilo Kiley's crossover appeal into dance music. Its remixed version by Hot Chip received positive critical acclaim and helped introduce the band's sound to a broader audience, influencing subsequent indie pop artists seeking to merge genres. In 2008, Rilo Kiley was transitioning from their previous album 'Under the Blacklight' (2007) which had seen them achieve greater commercial visibility. 'Breakin' Up' served as a single that showcased their ability to blend pop sensibilities with indie aesthetics, marking a continued evolution in their sound. This release came just before the band announced an indefinite hiatus, making it a significant moment in their discography.