To learn High School Musical Cast, Zac Efron, Disney - (From High School Musical 3: Senior Year/Soundtrack Version) Scream chords, grasp the musical fabric of the song with this sequence - C#, B, D#m, C#, B, C# and D#m of chords. Ease into the song by practicing at 55 BPM before reaching the track's full tempo of 110 BPM. Tune your capo to accommodate your vocal range, referencing the song's key: C# Major.