: A proper MP4 allows for advanced metadata, such as artist name, song title, and album art, which allows media players like MusicBee to organize files effectively.
If your interest stems from seeing "Topic" associated with music on YouTube, this refers to :
The most critical "proper feature" for an MP4 music file is its ability to act as a . Unlike an MP3, which only holds audio, a proper MP4 should support the following integrated features: Core Multimedia Features
What are the correct settings for uploading mp4 videos? - Facebook
: The ability to demux (separate) audio from video, edit it (e.g., mastering), and re-sync it perfectly.
: Tools like Clipchamp or Adobe Express allow you to set the correct resolution (720p/1080p) and use efficient codecs like H.264 for smaller file sizes without losing quality.
: MP4 (MPEG-4 Part 14) can store high-quality video alongside audio tracks, making it the standard for music videos.
: Modern MP4 containers are designed for seamless streaming over the internet, which is why they are the preferred format for platforms like YouTube.