Here's a tip: Before posting on any online forum, be sure to read the instructions for that forum - and follow them!
It's only polite.
That way, you stand a far better chance of getting useful replies, rather than just annoying the forum participants by repeating age-old questions that have already been discussed ad tedium.
You will gain much more respect by demonstrating that you have actually put some effort into your quest.

When you posted this question, you saw these instructions:



If you had followed the instructions, especially 4 & 5, you would have found that this has been discussed many times before!

So off you go - type "MP3" into that 'Search' box, and see what you get!