Hope Sandoval – Trouble chords

My first posting of chords and hoping they are correct: I need additional help to 
finish so I need your feed back, thanks.

4/4 time- 1 chord per measure
Chords: Bb F# Em Bb    D C  + ? ?

Drum intro

|--Bb--|--F#--|--Em--|--Bb--|   X 6


|--Bb--|--F#--|--Em--|--Bb--|   X 4


?? what comes next is still work in progress
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