Spanish pop act La Casa Azul began weaving together the sugar pop sounds of groups like ABBA, the B-52's, and the Beach Boys in the late '90s. Formed by producer/songwriter Guille Milkyway, the band rose from indie pop obscurity to the Spanish Top 40 with the help of niche label Elefant Records. The group initially featured five members -- David, Virginia, Oscar, Clara, and Sergio -- who appeared in the group's popular throwback music videos and on album covers, but La Casa Azul's music is actually created solely by Milkyway. La Casa Azul's debut record, El Sonido Efervescente...