 His role in the band is guitarist and primary songwriter.He has always contributed backing vocals and since the departure of Jari Mäenpää in 2004 has taken up a greater role behind the microphone, sharing the clean vocal parts with new bass player Sami Hinkka, with Mäenpää's replacement Petri Lindroos handling the harsh vocals.Markus also plays in a side band called Speden Timantit and has been a member of the short-lived black/death metal outfit Soulstream.