It's a form of music in which one verse, or passage, structure is repeated over and over.

A repeated section of a song that typically features a new set of lyrics on each repetition

A piece of music for singing in unison. A part of a song that recurs at intervals, usually following each verse; refrain.

What are the examples of unitary form songs?

It also known as tone color or tone quality, is the perceived sound quality of a musical note, sound or tone.

The vocal range from approximately middle C to "high A" in choral music, or to "soprano C" or higher in operatic music.

Also called bottom end. It describes tones of low (also called "deep") frequency, pitch and range from 16 to 256 Hz (C₀ to middle C₄).

This photo is an example of?

This photo is an example of?

A type of Philippine jaw harp from bamboo found among the Maguindanaon and other Muslim and non-Muslim tribes in the Philippines and Indonesia. It is also called kobing, kolibau, aru-ding, aroding, kulaing, karombi, yori or Kulibaw.

A set of 5 to 9 pieces of gongs that vary in size and sound. They’re aligned horizontally next to each other, usually on a rack, and are arranged in order of their pitch.

It is a Philippine two-stringed, fretted boat-lute. It is the only stringed instrument among the Palawano people, and one of several among other groups such as the Maranao and Manobo. It is four to six feet long with nine frets made of hardened beeswax.

A plucked chordophone from Spain, similar to the mandolin, primarily used in Spanish folk music, but also found in former Spanish colonies.

A set of two wide-rimmed, vertically suspended gongs used by the Maguindanao, Maranao, Sama-Bajau and Tausug people of the Philippines as a supportive instrument in kulintang ensembles.