Have you ever wondered why a guitar sounds different from a violin? Or why a banjo is twangy and a cello is mellow? Then this episode is for you!

Join Molly and co-host Ellie as they explore the ear-tickling world of string sounds! Together, they’ll learn about sound waves, and visit the Brains On instrument petting zoo, where they'll learn about all the amazing sounds that stringed instruments can make. Plus, a shiny new mystery sound!

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Today’s episode is sponsored by:
- Poshpeanut.com/brainson - Receive 20% off your first order
- Indeed.com/brainson - Receive a $75 sponsored job credit with code brainson
- Paramount’s IF - From writer and director John Krasinski comes a new film about what happens to our Imaginary Friends (IFs) when we grow up. Out in theaters on May 17th!