General Unison:
* "Speaking with one voice" - This emphasizes the agreement and unity of the group.
* "Singing from the same hymn sheet" - This implies shared goals and a unified approach.
* "All on the same page" - This highlights that everyone understands and agrees on the same thing.
* "In lockstep" - This emphasizes a rigid and synchronized movement, like a military unit.
* "Echoing each other" - This portrays a strong similarity in what is being said, often with a sense of repetition.
More Specific Unison:
* "Chanting in unison" - This refers to a specific type of vocal performance where everyone speaks or sings the same words at the same time.
* "Repeating after me" - This emphasizes a leader guiding a group to speak the same words.
* "The chorus roared" - This implies a large group speaking in unison, often with strong emotion.
Figurative Language:
* "A unified front" - This refers to a group presenting a united appearance, even if there are disagreements beneath the surface.
The best saying for you depends on the specific context and the intended meaning.