salsa songs

There is this samba song (at least, I think it is samba, and it sounds like Portuguese) that I have heard while salsa dancing, but I have also heard a techno version of it in a regular bar. It has a fast beat, and it sounds like they may be saying “meu coração” and something like “eh, macarena cosa” but obviously that can’t be right. Then there is a part where they go “eh, eh, eh-eh-eh-eh” and the beat gets louder. I’m sorry for the ridiculous explanation, but I have this song in my head and it is killing me that I don’t know what it is. Any help would be greatly appreciated.
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Artist: Sergio Mendes
Album: Brasileiro
Track: Magalenha (LP Version)
Visit http://www.amazon.com/Brasileiro-Sergio-Mendes/dp/B000002HAP/ref=pd_sim_m_img_1 to listen to a portion of the track