Get ready to feel moody with "Symphony No.77 in B Flat Major: I. Vivace" by The GB Orchestra. With a 103 BPM and 4 time signature, the rhythms flow in A♯/B♭ major. Spanning 4 minutes and 28 seconds, "Symphony No.77 in B Flat Major: I. Vivace" radiates low energy from start to finish. Let the moody vibes of this track carry you away.