The terms universal search and blended search do describe the mix of text documents and other media like photo and video within the search results of the large search engines. This is what the search engine VizBand does for music.
The search results are most exact and comfortable. Musik videos are displayed within a video board. Below the board are links to other sources out of the internet in general, results with news and by blogs and last but not least photos and books. As far as it is known here VizBand is the only search engine offering universal search for a particular topic and for music. Try ist out and get further information at the VizBand homepage.