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.
1 Elements of Music. 2  Pitch  register (high or low); Organization of pitches with a pattern of intervals between them creates scales; Words we might use to describe scales: major/minor, chromatic, gapped, pentatonic. Melody, or musical line, is a combination of pitch and rhythm (some say duration). Sometimes a melody is considered to be the theme of a composition.