Elaborating Question:
Instagram has this feature in which you can record your video through camera or select video from storage and add different song/audio to that video. You can post the same on to your post.
On viewing the post you see that the audio and video is combined playing and alsowhen you download the reel you get the whole video combined with audio.
How can this be achieved in React-Native ?
Any Plugins(Free or Paid) or Packages that can be used to achieve this would help.