If you walked down the halls of Madrid's Real Conservatorio de Danza, this is the music you might hear. Musica para clases de Español, Josu Gallastegui's newest CD, is arranged for teaching the four styles of Spanish classical dance--folkloric, flamenco, la escuela bolero, and la danza estilizada. With 24 selections, it includes piano accompaniment for fandango, goyescas, seguidillas, sevillanas, zapateado and other classical Spanish steps.* If you don't teach or take Spanish dance, you still