Reviewers bad day makes author motivation fail?

Hi everyone.
Recently I got hard reject. AFTER WAITING ABOUT MONTH.
Maybe this track don't have crystal quality, but I think my work is not worthy for rejecting..
Really I spend many days for this project.

Track comes with 3 different versions.
1. With epic drums
2. Pop drums
3. Without drums

I created interesting animated presentation for track, find and write some most popular keywords for this category from google analytics, google trends, and from some SEO sites

This is animated presentation'

And this is track.

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