Research - music for documentary

In my first draft documentary, my music did not fit very well.
I therefore looked through many websites and YouTube channels.
I found this channel which had many different types of background music:



I went through all of the options and number 9 was exactly the music I thought would suit my style of documentary.

I had a look into copyright and other regulations, and on this channel it said the following:



I therefore downloaded it and have stated and credited from 'e-soundtrax'.