Get ready to feel positive with "Bittersweet Symphony / Baba O'Riley / Last Friday Night / Hollaback Girl" by The Sing-Off Contestants. With a 117 BPM and 4 time signature, the rhythms flow in D♯/E♭ major. Spanning 2 minutes and 59 seconds, "Bittersweet Symphony / Baba O'Riley / Last Friday Night / Hollaback Girl" radiates high energy from start to finish. Let the positive vibes of this track carry you away.