Which of these IoT innovations is ACTUALLY being used in major music retail stores to enhance the customer experience?

The music retail landscape has transformed dramatically with technology. Internet of Things (IoT) devices have created new ways for customers to discover, sample, and purchase music products in physical stores. This poll tests your knowledge of cutting-edge IoT implementations that are reshaping how consumers interact with music products in retail environments. Can you identify the genuine innovation that's currently transforming the music shopping experience?

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

RFID-embedded vinyl records that, when placed on special in-store turntables, automatically display artist interviews and behind-the-scenes content on nearby screens
Holographic instrument testing stations that create virtual band members to play along with customers as they try out guitars and keyboards
Smart shopping carts with built-in audio fingerprinting that creates personalized playlists based on every product a customer examines
Drone-assisted retrieval systems that fetch requested instruments from high shelving and allow customers to test them in soundproof hovering pods