A succession of single tones or pitches perceived as a unit is called: a. A chord b. An interval c. A melody d. A harmony

The correct answer is c. A melody.A melody is a succession of single tones or pitches perceived as a unit. It is a sequence of musical notes that are perceived as a single entity, often forming the main theme or tune of a piece of music. A melody is typically characterized by its pitch, rhythm, and contour, and it can be played by a single instrument or sung by a voice.In contrast, a chord is a group of pitches played simultaneously, an interval is the distance between two pitches, and harmony refers to the combination of multiple pitches played simultaneously.