Cantolopera books include versions for voice and piano of the world's most famous arias, plus plots and translations. The CDs feature two versions of each aria: one with a 130-piece orchestra providing accompaniments to allow theprofessional, student or opera fan to practice, and a performance by an established artist. This collection includes: Ave Maria (Arcadelt) ■ Ave Maria (Caccini) ■ O mio Signor (Händel) ■ Pieta, Signore (Stradella) ■ Ave Maria(Schubert) ■ Ave Maria (Gounod) ■ Agnus Dei (B