Complex sentence: For many years as Guitarist in Dimmu Borgir, Silenoz appeared with long hair, however most recently in 2012 he has appeared with a shaven head whilst maintaining a beard and various piercings.
Split into simpler sentences: For many years as Guitarist in Dimmu Borgir, Silenoz appeared with long hair. However, more recently he has appeared with a shaven head whilst maintaining a beard and various piercings.