No video content is hosted by mashup-charts.com.
All video clips on mashup-charts.com are embeds from other websites who explicitly allow their content to be used in this manner and are dedicated to avoid copyright infringement.
 
Therefore mashup-charts.com can rightfully assume to only use legal content and can’t be hold responsible for any legal issues concerning the content of the video clips.
 
Mashup-charts.com is willing to cooperate in case of copyright infringement and will remove content on demand if porper proof can be provided.
 
And then again:
This is a non-profit fun project - so don’t be a spoiler!