Complex sentence: In 2005, Seibold relocated to New York City to pursue his music career, where he delved into the independent New York rock scene, regularly performing at venues such as the Rockwood Music Hall, Piano's, and the Bitter End.
Split into simpler sentences: In 2005, Seibold relocated to New York City to pursue his music career where he delved into the independent New York rock scene. Here he regularly performed at venues such as the Rockwood Music Hall, Piano's, and the Bitter End.