(Intro) Same 4 chords for the whole song Intro:
e|-------------------------------------------|
B|-------------------------------------------|
G|-------------------------------------------|
D|---------------------0-0-00--0-3-3-3-0-3---|
A|-----------1-1-1--34-----------------------|
E|--3-3-33-1---------------------------------|
Capo 1 F#m A C#m E No Capo Gm Bb Dm F
Source: http://www.azchords.com/h/haddaway-tabs-18502/whatisloveintro-tabs-220537.html