What makes Angel (Fifth Harmony song) by Fifth Harmony notable?

'Angel' was a pivotal release for Fifth Harmony, receiving positive reviews and charting within the top 40 on various international charts. It also highlighted the group's evolution towards embracing more personal and relatable themes in their music, setting the stage for their continued growth in the pop landscape. Released on January 1, 2017, 'Angel' came during Fifth Harmony's transition to a more mature sound following their self-titled album in 2016. This single marked a significant moment in their career as they navigated post-member departure dynamics, presenting new themes of empowerment and self-acceptance.