Is there a site like Overclocked
 

but for old television shows?

<object width="425" height="350"><param name="movie" value="http://www.youtube.com/v/He9-p7f3DEA"></param><param name="wmode" value="transparent"></param><embed src="http://www.youtube.com/v/He9-p7f3DEA" type="application/x-shockwave-flash" wmode="transparent" width="425" height="350"></embed></object>

By way of example. Youtube of someone performing the theme to Saber Rider.