Tono: D
Introducción:
Gthis
Chorus
D
I promise...
(now in the last part of the chorus, you gotta let that last cord ring
E
or
(part of a pentonic scale int he key of A, (which the song is in)
E
either way, they both might be wrong, take a listen and improise,
its most likely one of the frequent cords int he song just being