Complex sentence: Shy originally had planned for Tony O'Hora to replace Mills, however, Lee Small, formerly of Surveillance, took the helm for a handful of gigs before parting company with Shy in January 2009.
Split into simpler sentences: Shy originally had planned for Tony O'Hora to replace Mills. However, Lee Small, formerly of Surveillance, took the helm for a handful of gigs before parting company with Shy in January 2009.