Black Eyed Peas – Boom Boom Pow chords

I don't think there's any guitars in this song mainly synth, but i tried to 
transcribe what i heard both vocals and rhythm. Chords are A5, F5 and D5. It is in drop-D.
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Black Eyed Peas
The E.N.D.
Boom Boom Pow
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Rhythme|-----------------------------------------------------------|B|-----------------------------------------------------------|G|-----------------------------------------------------------|d|-7-7-7-7--7-7-7-7--7-7-7-7--7-7-7-7------------------------|A|-7-7-7-7--7-7-7-7--7-7-7-7--7-7-7-7------------------------|D|-7-7-7-7--7-7-7-7--7-7-7-7--7-7-7-7------------------------|
e|-----------------------------------------------------------|B|-----------------------------------------------------------|G|-----------------------------------------------------------|d|-3-3-3-3--3-3-3-3--0-0-0-0--0-0-0-0------------------------|A|-3-3-3-3--3-3-3-3--0-0-0-0--0-0-0-0------------------------| D|-3-3-3-3--3-3-3-3--0-0-0-0--0-0-0-0------------------------|
Lead - Vocals in Choruse|-----------------------------------------------------------|B|-----------------------------------------------------------|G|-----------------------------------------------------------|d|-----7-----7-----7-----7-----3-----3-----0-----0-----------|A|-----------------------------------------------------------|D|-7-7---7-7---7-7---7-7---3-3---3-3---3-3---3-3-------------|
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