1. Density, mass of a unit volume of a material substance. The formula for density is d = M/V, where d is density, M is mass, and V is volume. Density is commonly expressed in units of grams per cubic centimetre.
2. In music, a counter-melody (often countermelody) is a sequence of notes, perceived as a melody, written to be played simultaneously with a more prominent lead melody
3. A layer with a melodic role usually leads the piece of music, providing the main melody. Our ears are drawn to this melodic layer. A to melodic role can provide: the main melody.
4. If a musical function describes the role that a particular musical element plays in the creation of a larger musical unit, then a harmonic function describes the role that a particular chord plays in the creating of a larger harmonic progression.
5. The role of rhythm in speech and language rehabilitation: the SEP hypothesis. For thousands of years, human beings have engaged in rhythmic activities such as drumming, dancing, and singing. Rhythm can be a powerful medium to stimulate communication and social interactions, due to the strong sensorimotor coupling.
6. Monophony, musical texture made up of a single unaccompanied melodic line. It is a basic element of virtually all musical cultures.
7. In music, homophony is a texture in which a primary part is supported by one or more additional strands that flesh out the harmony.
8. the simultaneous combination of two or more tones or melodic lines (the term derives from the Greek word for “many sounds”). Thus, even a single interval made up of two simultaneous tones or a chord of three simultaneous tones is rudimentarily polyphonic.
9. A heterophonic texture is the simultaneous variation of a single melody line. A variation of the melody is played over the original melody. Heterophony is often found in gamelan music.
10. in survival analysis, a research design that allows for the entry or exit of participants at any time throughout the course of the study. In a typical survival analysis design, all samples have a common origin—they start at the same time—and there is a single, terminal event (typically, death).
11. Tutti is an Italian word literally meaning all or together and is used as a musical term, for the whole orchestra as opposed to the soloist. It is applied similarly to choral music, where the whole section or choir is called to sing.
12. In a galaxy where hyperfuel is in high demand, Han Solo gets involved in a large-scale heist within the criminal underworld and meets individuals who change his life.
13. In music, a call and response is a succession of two distinct phrases usually written in different parts of the music, where the second phrase is heard as a direct commentary on or in response to the first.
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