Music was never my big thing. But movies are
Try the internet movie database
http://www.imdb.com
On that site you can search for movies by the year that they were released. So, just start with whatever year you want and move on from there. Each search should list off every movie that was released in the particular year you are searching for. You can't get much more comprehensive then that.
You can also sign up for a free account on imdb, and create a list of your movies, sort them into sections of what you own on dvd, vhs, what you need to see, and what you need to buy.
It's all fairly user friendly.
/end shameless plug
--Kayten
"The story so far: In the beginning, the Universe was created. This has made a lot of people very angry and been widely regarded as a bad move." - The Hitchhiker's Guide to the Galaxy