Taylor Swift & Sydney Sierota - Cool Kids (Live on The 1989 World Tour)

Sydney Quiseng - "Wonder" (Official Music Video)

Tyler Braden - Try Losing One (with Sydney Sierota of Echosmith) [Official Music Video]

Sydney Sierota - Lead Singer of Echosmith

Sydney and Noah Sierota From Echosmith Play How Well Do Your Bandmates? | Billboard

Echosmith's Sydney Sierota learns what Dunkaroos are from 'Favorite Sound' collaborator, Audien!

Sydney Sierota Family Band Beginnings