Get ready to feel positive with "I'm So Happy 4 U (feat. Rachel Bloom) [From Crazy Ex-Girlfriend] [Season 4]" by Crazy Ex-Girlfriend Cast. With a 120 BPM and 4 time signature, the rhythms flow in G♯/A♭ major. Spanning 2 minutes and 18 seconds, "I'm So Happy 4 U (feat. Rachel Bloom) [From Crazy Ex-Girlfriend] [Season 4]" radiates average energy from start to finish. Let the positive vibes of this track carry you away.