Exclusive Video: The Voice's Blake Shelton Reveals How High School Heartache Turned Him Onto Music

As coaches on The Voice, Adam Levine, Blake Shelton, Gwen Stefani and Pharrell Williams work with up-and-coming artists who want to turn their passion for music into a profession. So, it's pretty reasonable to ask how these superstar coaches knew they wanted to do that too.

In this exclusive behind-the-scenes video from The Voice (Mondays and Tuesdays, 8/7c, NBC), all four coaches reveal what got them started as musicians. Naturally, the always entertaining Shelton has a hilarious (and semi-crushing) story of how a bad case of high school heartache inspired him to become a songwriter.

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Check out the exclusive video below to hear Shelton's story and the rest of the coaches' motivational tales:

The Voice airs Mondays and Tuesdays at 8/7c on NBC.