This week we picked books about music of the United States, whichreflects the country's multi-ethnic population through a diverse array of styles. It is a mixture of music influenced by West African, Irish, Scottish, Mexican, and Cuban music traditions among others. The country's most internationally renowned genres are jazz, blues, country, bluegrass, rock, rhythm and blues, ragtime, hip hop, barbershop, pop, experimental, techno, house, dance, boogaloo, salsa, and rock and roll.