Complex sentence: Page Hamilton, the band's founder and chief songwriter, is the only original member appearing on the album, and therefore many purists object to it being called "Helmet" and consider it to be a Page Hamilton solo project.
Split into simpler sentences: Page Hamilton, the band's founder and chief songwriter, is the only original member appearing on the album. Therefore, many purists object to it being called "Helmet" and consider it to be a Page Hamilton solo project.