What does royalty free mean?

Royalty free means you just need to pay for rights to use the item once per (commercial or monetized) end product. You don't need to pay additional or ongoing fees for each person who sees or uses it.

What license do I need? (Only for monetized or commercial projects)

It depends on several factors. Click here to get an overview about the different license types: goo.gl/IMBQe5. You can purchase a license for this particular track here: http://goo.gl/PUzGm8.

Can I use this song for free? (Only for non-monetized or non-commercial projects)

You can use this track for free in non-monetized and non-commercial projects. This track is registered to the content-ID system Adrev. If you use it in your work Adrev's content-ID tracking system will detect your video using my music and give you a third party copyright match notification.
This is only a notification. Your video won't be taken down nor will your channel get flagged. Adrev will only monetize it by placing short ads in front of it and generate ad revenue for me. This way you don't have to spend money but I can still receive payment by advertisments and treat this channel as the job it is.
To assure everything proceeds without problems please comply with these three conditions:

1. The work in which this track is used must be non-commercial (no monetizing or gaining money in any other form).

2. You must give credit to me by mentioning my contact information in your description:

License: http://goo.gl/tKl3WG
Download: https://goo.gl/5gdHVR
Facebook: https://goo.gl/ZdgFJ9
Soundcloud: https://goo.gl/oue1Ro
Youtube: https://goo.gl/nFB64R
Contact: mechanicvibes@gmx.de

3. If remixed or changed in any other way, the derivative track must be distributed under the conditions above.

Title: Aggressor
Composer: Christian Baczyk
Vocals by: Lara Ausensi
Postproduction: Kevin Mantey
Image:  https://goo.gl/Ytd6gA


Aggressor (Ft. Lara Ausensi)

Mechanic Vibes