Blog · 4 min read

How to add a trending sound and captions in TikTok before posting

Oct 19, 2026

Your MT Pop Red Bull AI video downloads as a watermark-free MP4 with the reference performance audio. Pairing it with a sound the trend is riding this week can earn you a spot on that sound's page, and captions carry the energy for muted scrollers.

Why post with the in-app sound

  • Videos posted with the official trending sound join its sound page — extra reach a baked-in track can't get
  • The in-app version is always the exact track that's trending this week, licensed inside the app
  • Captions beat burned-in text: they're editable, translatable, and readable at any resolution

In TikTok

  • Open TikTok → + → Upload → pick your MT Pop Red Bull AI MP4
  • Tap Add sound → search for the sound the dance trend is riding this week
  • Make sure the sound starts at 0:00 and covers the big gesture beats
  • Add captions for key moments so mute viewers still get the hype
  • Post with trend hashtags (#MTPop #RedBullDance #AIVideo etc.)

In Reels and Shorts

Same principle: upload your clip, then add trending audio inside the app. On Reels, pick the audio from a trending post so you land on its audio page; on Shorts, use the app's audio search.

One upload, every platform. Make your MT Pop Red Bull AI video →

Make your MT Pop Red Bull AI video →

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