Click on Q1 2017 and follow the link.  The crown images are the Mentions albums and the Wneptuneshere business card images are the labels involved.  
After January 01, 2017, a mention in your lyrics will be charged per song unit at the cost of $ 8,999.99.  Best thing to do is to create an account and purchase before recording.  You will still be billed. 

Wneptunesphere Invoice