Karma's World: Follow the Beat of Your Heart: Book with MicrophoneGrab your microphone and follow the beat of your heart! Sing along with Karma from Karma's World using the included microphone that plays a beat, or write your own songs in this interactive storybook. Karma Grant is not your average middle schooler shes an incredibly talented rapper whose rhymes are sure to change the world around her! Follow along as Karma makes new friends, learns valuable lessons about life, and discovers the power of her voice in