Emilia Lajunen is known for her personal, strong, and modern style of playing th violin. Her style of playing claims its origins in ancient heritage and fiddler music. Lajunen initially studied folk music under the guidance of Ritva Talvitie and the legendary group Tallari. She furthered her studies at Sibelius Academy (MMus, 2007) and at the Royal Academy of Music in Stockholm. From 2010 to 2019 Lajunen has occupied the position of the Violin Techer-in-charge in the folk music department of Sibelius Academy.
Lajunen's instruments are the violin and the keyed fiddle. She is a singing member in such groups as Suo, Juuri & Juuri, Ritva Nero and Spontaani Vire . She also duets with Suvi Oskala and performs solo as well. Lajunen has also composed theatre music and explored possible adaptations to the use of the keyed fiddle with organist Ville Urponen. Lajunen placed first in the traditional series of the distinguished Konsta Jylhae Competition, 2011. Lajunen has also experienced much success in international folk music competitions. Her solo album, Turkoosi Polkupyoerae, was realesed in 2012.