In addition to bass guitar duties, Hinkka also performs in the role of dual backing/choir vocalist with guitarist Markus Toivonen.
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It is the first Ensiferum release featuring the then recently hired members Petri Lindroos, Sami Hinkka and Janne Parviainen.
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.