Ari-Pekka Mäenpää started playing percussions at the Western Uusimaa Music Academy with Pauli Hämäläinen. He studied professionally at Helsinki Conservatory and continuet at the Sibelius Academy with Markku Hannola, Lassi Erkkilä and Mongo Aaltonen as his teachers. He graduated in 1999 with honors. He has also studied in Berlin and Milan.
He started working as an assisting musician and substitute during his study years, and has worked with most of Finland’s professional orchestras, e.g. the radio symphony orchestra, the National Opera’s orchestra and the chamber music orchestra Avanti!. As a chamber musicians he has performed at the most important festivals in the country. He started playing in the Turku Philharmonic Orchestra in 2001, first as percussionist and later as the principal for timpani. He has also been a teacher as Western Uusimaa Music Academy and Turku Conservatory.