Get ready to feel positive with "Mass: Confession: Trope, "I Don't Know" (First Rock Singer, Descant, Second Rock Singer)" by Leonard Bernstein. With a 133 BPM and 3 time signature, the rhythms flow in D major. Spanning 1 minutes and 30 seconds, "Mass: Confession: Trope, "I Don't Know" (First Rock Singer, Descant, Second Rock Singer)" radiates low energy from start to finish. Let the positive vibes of this track carry you away.