General:
* Symphony: This implies a harmonious blend of sounds.
* Chorus: This suggests a group of voices singing together.
* Cacophony: This describes a jarring mixture of unpleasant sounds.
* Harmony: This suggests a pleasing and well-balanced combination of sounds.
* Aural tapestry: This emphasizes the richness and complexity of sounds woven together.
Specific:
* Roar: For a collective of animal sounds.
* Clang: For the sound of metal objects striking each other.
* Rustle: For the soft sounds of leaves or fabric.
* Hum: For a low, continuous sound.
* Chirp: For the sounds of birds.
Ultimately, the best choice will depend on the specific type of sounds and the intended effect.