Mashups have become extremely popular recently but their are still downsides, primarily the restriction of copyright.
An example of a mashup/remix that has been removed is Nirvana vs Destiny's Child remix. The accompanying YouTube message is:
"This video is no longer available because the YouTube account associated with this video has been terminated due to multiple third-party notifications of copyright infringement from claimants. Sorry about that."
This message is appearing all over YouTube and will soon reach some of our most beloved mashups and remixes.
such as:
Not only is this copyright affecting mashups but also popuular spoofs such as the 'Downfall' series of videos. Some of my favourite of these which could soon be sude for copyright are: