Best Audio Brands:

https://www.ampsoundbranding.com/best-audio-brands

Amplify:

https://www.ampsoundbranding.com/amplify

101Greatminds:

https://www.ampsoundbranding.com/101-great-minds-home

Master Card Case Study:

https://www.ampsoundbranding.com/ourwork/the-sound-of-mastercard

Mastercard CMO Raja Rajamannar´s book - Quantum Marketing

https://www.amazon.de/Quantum-Marketing-Mastering-Tomorrows-Consumers/dp/1400223954/ref=sr_1_1?__mk_de_DE=%C3%85M%C3%85%C5%BD%C3%95%C3%91&keywords=quantum+marketing&qid=1638511851&sr=8-1

Other AMP Case Studies:

https://www.ampsoundbranding.com/ourwork