Given the question: What type of details about teemu mäntysaari  can be gathered from the following bio?  Bio: teemu mäntysaari is a guitarist for the finnish band wintersun and played for imperanon until their break-up , -lrb- joining both of these bands in 2004 -rrb- . he was born in tampere , finland , in 1987 , and began playing guitar at the age of 12 . he has written many unreleased songs with imperanon and has toured with wintersun . teemu 's early musical influences on guitar were steve vai , joe satriani , john petrucci and shawn lane , among others .
The answer is:
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