Complex sentence: The two met helping a mutual friend move a stereo back in 2009, and started playing their unique brand of danceable punk music together soon after, and it lead to several nationwide tours and three full-length albums.
Split into simpler sentences: The two met helping a mutual friend move a stereo back in 2009. They started playing their unique brand of danceable punk music together soon after, and it lead to several nationwide tours and three full-length albums.