"Harmonise" Natural Recordings by Native Speakers
To harmonize means to bring different things into agreement or to make them work together smoothly, often by making them similar or compatible. It can also refer to the process of making a vocal performance more pleasing or smooth by adjusting the pitch and tone of the voices to create a pleasing sound.
Harmonised means made compatible or conforming to a standard or a common goal; having a smooth and consistent relationship between different elements; in a state of unity or cohesion.