Southern California pop-punk trio Super Sometimes talk friendship, growing up in real time, and making a debut album built for the live show.

In the music industry, things can get overcomplicated pretty fast.

With every streaming figure and chart position at our fingertips, it’s easier than ever for bands to get carried away chasing unreachable goals. Since emerging from the sun-soaked San Diego scene, that’s a trap that Super Sometimes have been careful to avoid falling into...