Singing Fish is a search engine geared towards audio and video only. I have done several posts on search engines in the past from the Search Engine Roundup to Exalead (a nice search engine in my opinion)

Check out these posts too:

  1. Search engine results with thumbnails
  2. Search engine roundup
  3. An Exhaustive List of Search Engine Based Keyword Research Data
  4. Anatomy of a Large-Scale Hypertextual Web Search Engine
  5. Create a search engine tailored to your needs
  6. Search Engine Optimization (SEO), what little I know
  7. Convert Audio and Video from a website