Music Theory in 1976
The Stratification of Musical Rhythm
by
Yeston, Maury
Perspectives on Notation and Performance
by
Cone, Edward T.
A Textbook of European Musical Instruments: Their Origin, History, and Character
by
Galpin, Francis William, Galpin, Brian J., Galpin, John L.
The Art of Counterpoint
by
Zarlino, Gioseffo