No, the first four measures should be like this:
https://www.notessimo.net/?id=54159
Otherwise, that was good! It was nice and relaxing.
If you wanted to make it longer, you could add some melodies onto it, and more drums.
I’m glad you liked (most of) it! and thanks for the rating! Much improved What did you change in the first four measures?
I pushed all the notes a bit to the left. The notes are now on the lines, not the spaces. This is important if you want to use sheets/copy and paste.