No there is no tutorial for this, we explained in our email to you yesterday how to get a servers raw Mp3 stream url. Just add a semi-colon ; at the end of the url such as with this following example http://88.80.189.23:8087/; (Your La Sonidera 104.7 stream).
If you fully copy the link above (including the semi colon after 8087/) and paste it into a new browser tab you will see that it plays the stream back directly in the browser. Don't click and open the link from this forum post as it will ignore the semi colon at the end of the address and just direct you to your servers status (admin) page instead.