Houston's vocals in the song spans from the low note of G to the high note of A.
Prince's vocal range spans from the low note of F3 to the high note of A5.
Mendler's vocals span from the low note of A to the high note of D.
Robyn's vocals in the song spans from the note of D to E.
Mendler's vocals span from the low note of E to the high note of B.
Lee's vocal range in the song spans from the musical note of G3 to Eb5.
Timberlake's vocal range in the song spans from the low note of D4 to the high note of A5.
Goodrem's vocals span from the note of F3 to the note of Ab5.
Perry's vocal range in the song spans from the low note of G to the higher note of C.
The groups vocals span from the key note of G3 to the key note of B4.