Listen to Я знаю, почему (I Know Why) online. Я знаю, почему (I Know Why) is an Instrumental language song and is sung by Oleg Lundstrem Orchestra. Я знаю, почему (I Know Why), from the album Причины хорошего настроения, was released in the year 2007. The duration of the song is 2:02. Download Instrumental songs online from JioSaavn.