An extended license costs 20 Euro (plus VAT). This brings you the following advantage:

• You don't have to name the author in future projects you create (yes, you have read correctly, the license is valid for life for all projects you create for yourself or your customers with this song).
• You'll get an official document as proof.
• You can download the song as a wave file
• For many songs you get additional files like e.g. Stems for it.
• You support financially a great project like Filmmusic.io