Sentence:  The house band consisted of gigantic guitars, fiddles, trumpets, and accordion, with rhythms provided by a "batería" including timbales, <WSD>guiros</WSD>, and congas. 
Meaning of the word marked with <WSD> tags:  A musical instrument, a shaker, made of a hollow gourd with parallel notches cut in one side, and played by rubbing a stick or scraper ("pua") along the notches to produce a ratchet-like sound.