*  What is the problem you are trying to solve?
Change <audio src="something"> to <audio src="somethingelse"> dynamically 
    * What is the feature you are suggesting to help solve it?
Make src read/write
    * Why do you think browsers would implement this feature?
It is useful to have one player to play lots of things
    * Why do you think authors would use this feature?
It's pretty handy.
    * What evidence is there that this feature is desparately needed?
My Web OS will get bogged down with huge scripts otherwise.
			
		