this song is very nice. thx to azam for introducing it to me. it's Prokofiev Violin Sonata for 2 Violins, 2nd movement. I'll be helping azam for his showcase but we'll be playing the 1st movement of this sonata. it's nice too, but i can't find a good quality video from youtube. but it's there, you can just search for it. =) anyway, here is the 2nd movement of the sonata played by Igor and David Oistrakh.