The key of the song: G#
Tempo: 128BPM
Chord progression: IMHO it is very simple: I-iii or Ab-Cm.
If I am not right please correct me :)

(...)
  Ab           Cm            Ab
I love you too much to let go
                  Cm                    Ab
How'd you think I feel when you call my name
              Cm                 Ab
You got me confused by the way I change
                  Cm                    Ab
How'd you think I feel when you call my name
        Cm
My name, say my name baby