Par TARKIAINEN OUTI. Tarkiainen writes: The Lustful Mother's Heart is a solo work that plumbs the depths of one of the most fundamental human instincts - the tie between a mother and her new-born child that, as day follows day, becomes less part of its mother's body. The work develops themes from my song cycle The Lustful Mother in which long solo viola passages strike to the very heart of down-to…