Career
He is credited with coming up with the band"s current name after combining the words "Stratocaster" and "Stradivarius". In 1985, Stråhlman quit the band and Lassila approached guitarist to fill in the position. During his time with the band, he was (besides Tolkki) the band"s co-leader and secondary songwriter (primarily during the first two albums) and also the only original member remaining in the band before leaving in late 1995 after the Fourth Dimension tour, along with original keyboardist Antti Ikonen due to creative disagreements with Tolkki over the direction the band was heading and, also possibly, personal chemistry.
After leaving he temporarily retired from performing and graduated as percussionist from Sibelius Academy in 1997.
In 1998, he joined the Finnish band, led by Peter James Goodman and played drums in their first album: Worlds Apart (released in 1999) and also in a tribute (with ) to Iron Maiden, playing in the song "The Evil That Men Do" on the tribute album Slave to the Power which was released in 2000. subsequently disbanded in 2002 and Lassila dedicated to play in orchestal projects. He rejoined a reformed in 2011, initially as a guest member in their second album "The Harvest" (their first in almost 12 years) but at the end of the year, he again became a full-time member after the departure of drummer Ville Siuruainen and is currently touring with the band in a small tour within Finland.
On 28 October 2013 it was announced that Tuomo Lassila will be the drummer for the second album of his former bandmate "s metal opera Avalon.
