Get ready to feel very happy with "Twenty-Four Preludes, Op.34: No.21 in F flat major - Allegretto poco moderato" by Dmitri Shostakovich. With a 85 BPM and 4 time signature, the rhythms flow in A♯/B♭ major. Spanning 0 minutes and 35 seconds, "Twenty-Four Preludes, Op.34: No.21 in F flat major - Allegretto poco moderato" radiates low energy from start to finish. Let the very happy vibes of this track carry you away.