Canva Video Final Touches & Music

I've created a video in Canva and need assistance with finalizing it. The project involves videos and photos. Ultimately, I wish to integrate a specific song I like as the background music.

Ideal Skills:
- Proficiency in Canva
- Experience with video editing
- Attention to detail

Requirements:
- Help with transitions and effects
- Assistance with image placements
- Adding a predetermined song as background music