After purchasing a subscription or a single music/SFX item in Music-Tracks, you receive the right to download any item and integrate them into your projects. You can use your synchronized work everywhere. If you are a non-paying user, you can only download watermarked versions of the item for personal preview and you are forbidden to use them in any way. 

You can use the purchased item forever. Your clients are covered A subscribed user could create projects for his clients, but only he can download music or sfx and use them to create a project. You can download as many files as you want

This License does not allow to use, make available, or present any items as a separate file. This means you can’t allow anyone to use the Assets as separate files for listening, downloading, publicly

You also can’t resell them in any way, such as in music collections, music libraries, music playlists, royalty-free music or licensing, etc.

The items cannot be used: (i) in the context of pornography; or (ii) to encourage violence abomination, racism, hate, threats, and discrimination against any person based on race, religion, sex, sexual orientation, community, or nationality, (iii) hurting the helpless; (iv) violating privacy; (v) slander and any other insulting or illegal contents.

You can’t register or claim ownership of the items purchased in Music Tracks.