Alegrías (Spanish pronunciation: [aleˈɣɾi.as]) is a flamenco palo or musical form, which has a rhythm consisting of 12 beats.
Alegrías belongs to the group of palos called Cantiñas and it is usually played in a lively rhythm (120-170 beats per minute).
Recommended listenings for this palo include most singers from Cádiz, like Chano Lobato, La Perla de Cádiz, Aurelio Sellés, but also general singers like Manolo Caracol or La Niña de los Peines.
Also, you can listen "Mar Amargo" from Camarón and "La Tarde es Caramelo" from Vicente Amigo.
ÁLVAREZ CABALLERO, Ángel: La discoteca ideal del flamenco, Editorial Planeta, Barcelona, 1995 ISBN 84-08-01602-4