Get ready to feel very emotional with "The Sleeping Beauty, Ballet Suite, Op. 66a: I. Introduction & Prologue (March)" by Hamburg State Opera Orchestra. With a 119 BPM and 4 time signature, the rhythms flow in A major. Spanning 8 minutes and 16 seconds, "The Sleeping Beauty, Ballet Suite, Op. 66a: I. Introduction & Prologue (March)" radiates low energy from start to finish. Let the very emotional vibes of this track carry you away.