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How to Make Your Own Bulin 47 AI Video From a Selfie

By the · Updated

What You Are Making

The trend copies a street freestyle by the Dominican rapper Bulin 47, filmed at night in Madrid with Kevin Wai, a creator, lifting a portable speaker beside him. Spanish-language outlets reported more than 60 million views for the original, and AI edits that dropped new faces into the moment then spread on TikTok.

A Bulin 47 AI video keeps that idea and changes the person at the center. Ours is rebuilt from nothing: a red-lit doorway after dark, a doorman, a few onlookers and an invented friend lifting a round speaker. Your verse lasts about 8 seconds, and you laugh through the final 4 while the friend answers. None of the original footage or sound is used.

  • Source photo 1 for “Beard and short curls”

    Beard and short curls

  • Source photo 1 for “Red hair, same verse”

    Red hair, same verse

Real renders from the RapZap pipeline, each with the single test portrait behind it. The people are invented, and the clips are silent like your file.

How to Make Your Own Bulin 47 AI Video in Four Steps

The whole job takes a few taps on a phone browser. Nothing needs installing.

  1. Choose one portrait

    Use a sharp picture of yourself, or of an adult who said yes. It should show one face looking at the camera, with hair and shoulders in frame.

  2. Upload it and confirm consent

    Open the generator, drop in the JPEG, PNG or WebP file (10 MB at most) and tick the consent box. Swap the picture as often as you like, because nothing renders until you press start.

  3. Pay and wait

    Checkout runs through Stripe and costs $8.99. A status page then follows the render, and you are free to leave and return later in the same browser.

  4. Save the MP4 and add the sound

    Download the 720p file, open it in TikTok, choose “Dame Hombro” by Bulin 47 & Kevin Wai and set the start to 0:20. Turn on the AI-generated label before you post.

Which Portrait Gives the Best Likeness

This template frames you close, so your picture decides more than anything else. Fresh portraits taken in daylight beat old party shots every time. A Bulin 47 AI video keeps your face, hair and beard, but replaces your clothes with the scene costume, so there is no need to dress up.

  • A fictional young man with short locs and a magenta hoodie faces the lens in even daylight; every feature is crisp.
    Good: clear, front-facing
  • The same young man behind wide black shades with yellow frames, his eyes completely hidden.
    Avoid: sunglasses
  • The same young man in a dim room, most of his face swallowed by shadow.
    Avoid: too dark
  • The same young man as a tiny figure far down a city street at dusk.
    Avoid: tiny face
  • The same young man packed into a five-person concert selfie where no face is clear.
    Avoid: group shot
  • The same young man lifting an oversized yellow cup that hides his mouth and half his face.
    Avoid: covered face
Example portraits of a fictional person, drawn for this guide.
  • Face the lens, or stay within a slight angle of it.
  • Keep sunglasses, caps, masks and hands away from the face.
  • Stand near a window for soft, even light.
  • Crop so the head fills a good part of the picture, at 512 pixels wide or more.
  • Skip beauty filters and cartoon effects, since the model copies them.

Getting the Lip Sync Right

The mouth movement was made against a fixed slice of the song, so the start point matters more than people expect. Half a second of drift is easy to see. Set the sound to 0:20, play the first two seconds, and nudge it a fraction if the lips run ahead or behind.

The track never ships inside the file, because we do not hold the rights to it. TikTok licenses it for posts, so the finished clip stays on the right side of that deal. Catalogues change by app and country, so Instagram or YouTube may not offer the same song where you live.

Where each part of the clip comes from
Part of the videoComes fromCan you change it?
Face, hair, beardYour portraitYes, by using another picture
OutfitThe sceneNo
Red doorway and onlookersThe sceneNo
Speaker friendThe scene, an invented personNo
VerseAdded by you when postingOnly by choosing the sound

Common Problems and Quick Fixes

  • The lips miss the words: the sound almost certainly starts somewhere other than 0:20. Trim it again before blaming the render.
  • The face looks like a cousin rather than you: try a closer, sharper portrait with even light. Each render is also a new roll of the dice.
  • Skin looks warmer than usual: that is the deep red lighting of the scene, and it affects every complexion.
  • The upload was refused: pictures of celebrities, public figures and minors are blocked. Group shots also work poorly, so use one face.
  • The render failed: the credits return to your browser once, automatically, so you can run it again. That is a credit, not a cash refund.

Other Ways to Do It

A dedicated page is not the only route. Here is what each approach really asks from you, including the ones we do not sell.

Routes to a Bulin 47 AI video
ApproachWhat you supplyReuses the original clipEffort
Fixed-scene generator like RapZapOne portraitNo, the scene is newly generatedA few taps
Face-swap appsOne picture and a source videoUsuallyA few taps, plus rights risk
General AI video modelsPictures and prompts you writeNoMany attempts to match the shot
Film it with friendsA speaker, a street and a phoneNoOne evening, and it costs nothing

If you want custom lyrics or your own location, a general video model is the better pick. If you want this exact look with no prompting, a fixed scene is quicker.

Sources

  1. Report on the Madrid freestyle with Kevin Wai and its view count

    De Último Minuto, checked November 5, 2026

  2. Report on AI edits of the freestyle spreading on social media

    N Telemicro, checked November 5, 2026

Common questions

What does a Bulin 47 AI video cost?

On RapZap it costs $8.99, paid once, with no subscription and no account. There is no free preview, so check the sample clips first.

Does a Bulin 47 AI video work on a phone?

Yes. Everything runs in a mobile browser, so there is nothing to download. Save the MP4 to your camera roll and post it from TikTok.

Does the video include the song?

No. The file is silent. Add “Dame Hombro” in TikTok and start it at 0:20 so the lips line up.

Can I use a photo of a footballer or another celebrity?

No. Many viral edits use famous faces, but RapZap refuses celebrities, public figures and minors. Use yourself or an adult who agreed.

How long is the finished clip?

It runs 12 seconds in a vertical 9:16 frame at 720p, sized for TikTok, Reels and Shorts.

Is this connected to Bulin 47 or Kevin Wai?

No. RapZap is an independent fan tool, and neither person is involved with it or endorses it.

RapZap is an independent AI rap video maker. No artist, record label, music show, NPR, COLORS, TikTok, Instagram, YouTube or other brand named on these pages has partnered with, approved or paid for RapZap. Hotel Lobby videos never contain the original Hotel Lobby song. Bulin 47 AI clips are fan tributes built without any original footage or recording, and have no tie to Kevin Wai or Bulin 47. Zombie couple clips are scenes we generate from scratch and have no tie to any app, template or creator connected to that trend. Rumpelstiltskin AI clips are fan tributes made with our own generated barn and dance; they borrow no footage or sound from the meme or from the 1987 film, and have no tie to RiFF RAFF or the people who started the meme. Outstanding Tiny Desk AI clips are fan tributes made with our own generated set and band; they borrow no footage or sound from the NPR performance or the meme, and have no tie to Charlie Wilson, The Gap Band, NPR or its Tiny Desk Concerts series.