Voices joined, chorus swelled.

Meaning: The singers sang together, making a loud and powerful sound.

Choice of Words: The voices of the singers joined together, creating a chorus that swelled in volume and intensity.

Alternative Expressions

Voices merged, choir boomed.

Meaning: This means that the people singing started to sing together, and the sound of their singing got louder and deeper.

Choice of Words: Voices means the sounds made by people speaking or singing. Merged means to combine or come together. Choir means a group of singers, especially one that sings in a church or other religious setting. Boomed means to make a loud, deep sound. When you put them together, "Voices merged, choir boomed" means that the voices of the singers came together and the sound of the singing became very loud and deep.

Singers united, anthem soared.

Meaning: This means that the people singing started to sing together, and the sound of their singing was very powerful and moving.

Choice of Words: Singers means people who sing. United means to come together or join forces. Anthem means a song that is sung as a symbol of a group or nation. Soared means to fly or rise high in the air. When you put them together, "Singers united, anthem soared" means that the singers came together and sang a song that represented their group or nation, and the sound of the singing rose high in the air.

Related Expressions