Why are some songs from my library missing in the track list?

Re: "Why are some songs from my library missing in the track list?"

If you do not receive the answer you seek from your post to this Apple (user-to-user) Community:

You may want to reach out to the experts on the Music Support team

(ie: online chat / phone / email etc. from the link at the bottom of their website.)

Music Support Website: Music - Official Apple Support

or

Feedback is welcomed.

You can send feedback to reach those who work on the Music software behind-the-scenes at Apple. All feedback is carefully read and logged, and if others are also experiencing similar issues, we may see an update that addresses those issues. The more feedback they receive on which devices and OS versions are affected, (if any) the more likely we will see an update.

Web-form for feedback: Feedback - Apple Music - Apple