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. _____________________________________________________________ Black Eyed Peas The E.N.D. Boom Boom Pow _____________________________________________________________ Rhythm e|-----------------------------------------------------------| 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 Chorus e|-----------------------------------------------------------| 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-------------|