sentences:  Famous "coros de guaguancó" include El Timbre de Oro, Los Roncos (both featuring Ignacio Piñeiro, the latter as director), and Paso Franco.These ensembles gave rise to the first authentic rumba groups, and with them several types of rumba emerged, including the now popular guaguancó and yambú.However, others have been lost to time or are extremely rare today, such as the tahona, papalote, tonada, and the jiribilla and resedá.