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.
Each line of music is the beginning of a separate section in the piece. If you compare the music from each of the A-sections, you'll find that it is the same or very similar each time it is stated. In between the A-sections are the episodes labeled B and C. The piece is a 5-part rondo with a form of ABACA.