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.
Some people who write music don't make up a tune-- they use someone else's tune but assign the notes to someone else, say, to the violins instead of the flute. This is called arranging.. Maybe you've heard a melody you know in an elevator. This is an arrangement of that melody.ome people who write music don't make up a tune-- they use someone else's tune but assign the notes to someone else, say, to the violins instead of the flute. This is called arranging.. Maybe you've heard a melody you know in an elevator. This is an arrangement of that melody.