Which music technology innovation first allowed concert audiences to become part of the light show through synchronized wearable devices that respond to music?

The music industry constantly evolves with technological advancements to enhance customer experiences. One major innovation transformed how fans experience live music, creating more immersive and interactive performances. This poll tests your knowledge about a breakthrough product innovation that revolutionized the concert experience landscape and how audiences connect with artists during performances.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Xylobands (LED wristbands first used at scale by Coldplay in 2012)
Sony's Immersion Pendants (first implemented at Coachella 2015)
Apple's iGlow Concert System (debuted during U2's 2009 360° Tour)
Spotify Pulse Bands (introduced at Tomorrowland Festival 2014)