Solo book in bass clef with a CD of synthesized piano accompaniments for twelve challenging Bordogni vocalises. This selection corresponds to numbers 61 to 72 in Book II of Joannes Rochut's 120 Melodious Etudes as published by Carl Fischer (#00858). Compatible piano parts are available published by Tezak (#27622). The same twelve vocalises are available in duet form in Richard W. Bowles' Contrapunctal Duets, Book D (#36221).