Check the bottom right corner of a music CD. Information regarding the publisher of the CD will be located there. Look for the publishing symbol "(p)" that precedes the name of the publisher or publishing company.
Visit popular music download websites, such as ITunes or Rhapsody, and navigate their content.
Search for a song of your choice using the site's search engine, oftentimes located on the top of the page. The music album containing the song you're seeking will be part of the search results you will receive.
Select the album containing your song.
Find the publisher's information to the right, or just below, the picture of the album cover. Look for the publishing symbol "(p)" that precedes the name of the publisher or publishing company.