If your interest stems from seeing "Topic" associated with music on YouTube, this refers to :
: Proper MP4 files allow for uninterrupted playback in playlists, transitioning smoothly between tracks. musboomp4
: MP4 (MPEG-4 Part 14) can store high-quality video alongside audio tracks, making it the standard for music videos. If your interest stems from seeing "Topic" associated
: Modern MP4 containers are designed for seamless streaming over the internet, which is why they are the preferred format for platforms like YouTube. musboomp4