Ubuntu help

"Hariharasubhramanya Viradiyar" <[email protected]> Thu, 4 May 2006 13:16:56 +0530
Newsgroups gmane.org.region.india.fsug-kochi
Message-ID <[email protected]>
1.How to make mp3 work on Ubuntu?
2.Can I install KDE on Ubuntu?
3.How to install other software on ubuntu??
4.How to make the video CDs work on ubuntu? [Its not reading .dat and .mpg ]
5.Is 5.10 the latest version of ubuntu?

Waiting for reply.
~Hariharasubhramanya Viradiyar