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.
Enharmonics are notes that have the same pitch but are notated differently with sharps or flats. The key signature of a piece of music tells you which notes are sharp and flat. However, that does not mean that the song must always stay in that key.