Billionaire businessman and investor Mark Cuban is known for making — or crushing — entrepreneurs' dreams on the TV show Shark Tank. But in reality, he's a big softie. Here, he talks about getting his start selling trash bags as a kid, opening a bar before he was even 21, and betting on the Internet early. Here are his seven songs, including his life’s “theme” and a song that brings him to tears. Play That Funky Music – Wild Cherry Life’s Been Good – Joe Walsh September – Earth, Wind & Fire Fame – DMX Rapper's Delight – The Sugarhill Gang Eminence Front – The Who Listen to Mark Cuban’s full playlist on Spotify. Find the transcript of this episode at lifeinsevensongs.com. Thoughts? Guest suggestions? Email us at [email protected].