Indie rockabilly outfit Those Darlins recently released the music video for their new song “Optimist.” It’s the second single off of Blur the Line, their upcoming album due out on October 1st. “Optimist” is a rollicking garage jam full of catchy rhythms and old-school spunk. Those Darlins play in Philly at Boot and Saddle on October 16 with support from acoustic singer Gambles. Find more information here, and watch the quirky music video below.