Which singer is also a guitarist, Kang Seung-yoon or Piotr Wiwczarek?
Piotr Wiwczarek Piotr Wiwczarek (born 22 October 1965 in Olsztyn, Poland), also known as Peter, (ex nickname Behemoth) is a Polish guitarist and vocalist who is the frontman for the death metal band Vader, as the only constant member of the band since its inception. He has also collaborated with Kazimierz "Para" Paraszczuk on his tribute album, Bandid Rockin', and is the producer of several of Vader's releases. He is also the founder and guitarist of a side-project, named Panzer X.
Spencer Krug Spencer Krug ( ) (born May 4, 1977) is a Canadian musician. He is the singer, songwriter and keyboardist for the indie rock band Moonface. He has also performed with other Canadian bands including Wolf Parade, Sunset Rubdown, Swan Lake, Frog Eyes, Fifths of Seven, and ska band the Two Tonne Bowlers, playing various instruments. His involvement in many musical acts has garnered him a noticeably high output of work, being credited on several releases a year. He is known for his distinctive voice and songwriting abilities.