Here are some instances that would prompt a screening test: 1  Youâre sexually active. Everyone who is sexually active (even if youâve only ever had one partner and always use protection) should be screened at some point. 2  Youâre having unprotected sex.
The most important melody in a piece of music is called the theme. The theme of a piece makes up the principal melodic material. Theme is a general term for the basic subject matter in a piece of music. Fast pieces have short themes.
Music themes and motifs. A short melodic idea may also be called a motif, a motive, a cell, or a figure. These small pieces of melody will appear again and again in a piece of music, sometimes exactly the same and sometimes changed.