There are some huge young talents in the music industry today. CelebMix casts an eye over 21 of the best songs by Under-21s. 1. Shawn Mendes – ‘There’s Nothing Holding Me Back’ Shawn Mendes’ ‘There’s Nothing Holding Me Back’ was a mammoth success in 2017. From the opening chords to the pounding last chorus, the … Continue reading CelebMix’s 21 Songs by Under-21s