The document summarizes music of the Medieval, Renaissance, and Baroque periods. It discusses the characteristics of Gregorian chant from the Medieval period and its monophonic and free meter style. It also discusses the rise of polyphonic music and secular genres like madrigals in the Renaissance period. Famous composers from each period are mentioned, including Adam de la Halle from Medieval and Palestrina and Morley from Renaissance. The Baroque period saw elaborate and ornamental styles with genres like concerto grosso and famous composers like Bach, Vivaldi, and Handel are discussed.