Answer:
Melody with accompaniment (homophony)
Explanation:
Homophony is an important category of musical texture. It comprises a melody and an accompaniment. The accompaniment may consist of chords moving together with the melody, or a more elaborate pattern, possibly of broken chords or figurations. The melody may be in the highest register or it may be lower in the texture.
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Answer: The answer to the dominant musical types in the twenties would definitely be Jazz music.
Explanation: Jazz music exploded in the American scene in the twenties and led to a revolution in lifestyle, that was more of a carefree, more loose way of life. Jazz was popular among African Americans who frequently played this type of music in concerts and Bars, where largely bands would perform, before it could be played on radios, as it gravitated towards the white middle class.This way of life can be seen in Lyrics by Duke Ellington " i must have that man" which clearly shows that people in that era had embraced a more carefree lifestyle. Jazz had a touch of African tunes to it and was widely accompanied by instruments like the piano, saxophones, Harps and drum sets. It definitely revolutionized the American culture before the onset of the great depression.
A rhythmic group or metrical unit that contains a fixed number of beats, divided on the musical staff by bar lines. Also known as Bar.
I believe its a hammer. Hopes this helps !