The SoundOut Index - Effectiveness edition

What makes a sonic brand effective?  Is it distinctiveness, recall, appeal, propensity to buy or something else entirely?  Can you build brand equity and drive sales with a single sonic execution and could your core brand attributes actually preclude you from creating an effective sonic identity?  Find out the answers to all these and more in our major sonic branding effectiveness report featuring the input from over 30,000 consumers on over 280 sonic logos.