Decimal Notation. 1  Naming a Decimal. Among all fractions there is a collection of special fractions called decimal fractions. 2  Changing From Fractions to Decimals. To change a fraction to a decimal, we count the number of zeros in the denominator. 3  Converting Decimals to Fractions.
Sinfonia. Sinfonia is the Italian word for symphony. In English it most commonly refers to a 17th-or 18th-century orchestral piece used as an introduction, interlude, or postlude to an opera, oratorio, cantata, or suite.It has also sometimes been used for other types of music.n English it most commonly refers to a 17th-or 18th-century orchestral piece used as an introduction, interlude, or postlude to an opera, oratorio, cantata, or suite. It has also sometimes been used for other types of music.
Polyphony is a musical composition that uses simultaneous but multiple independent melodic parts, lines, or voices. During the Renaissance era, polyphonic music became widespread throughout in both sacred and secular settings due to the revival of interest in art and literature. The most favored styles of music during this period was the motet, for sacred topics, and the madrigal, for social themes.