Use of music for commercial or non-personal purposes in particular is prohibited unless you have obtained appropriate licenses.
Unauthorized content may be removed
If you post content that contains music owned by someone else, your content may be blocked, or may be reviewed by the applicable rights owner and removed if your use of that music is not properly authorized.
Unauthorized content may be removed
If you post content that contains music owned by someone else, your content may be blocked, or may be reviewed by the applicable rights owner and removed if your use of that music is not properly authorized.
Seems fair enough to me.