Go to Amazon and select "MP3 Downloads" from the "Search" drop-down menu.
Type the title of the song into the search field and click "Go."
Search through the results and click the correct song.
Scroll down and find the section labeled "Product Details." The song's copyright information is located in this section.
Go to the U.S. Copyright Office website (see "Resources").
Click the "Search Records" button located at the top right of your screen.
Click "Search the Catalog" and then enter the title of the song into the search field.
Click "Begin Search." The database will list your results. If the the song title is not authentic, you may need to navigate through the results until you find the correct song.
View the copyright information. Listed is the type of work, date of registration, title, description, authorship and the rights and permissions.