Complex sentence: The original band members have diverse and distinct personalities, and met'and probably began composing, while still in high school, and began performing in bars such as Springfield's Outland Ballroom--long before their legal drinking ages.
Split into simpler sentences: The original band members have diverse and distinct personalities, and met, and probably began composing, while still in high school. Soon after, they began performing in Springfield, Missouri bars such as the Outland Ballroom long before their legal drinking ages.