Open TikTok and tap the plus icon to create a video
Record a new video or upload one from your device
Tap the sound or music option
Select a sound from TikTok’s library or use an original audio in your video
Edit the video as needed
Add any effects, text, or captions
Tap Next
Add a description and set your privacy settings
Tap Post to publish your video with your own sound
To reuse the sound later, tap the sound name on your posted video
Tap Add to Favorites or Use this sound if available