Sing365.com

Sing365.com is a not-for-profit[2] online lyrics database. According to Alexa.com, it is one of the 131,838 most visited websites worldwide as of April 2017.[4]

The site seems to have been created with the purpose of their developers proving they could develop a database with great performance: "our goal is to build the largest Internet music community website to demonstrate what a excellent database we can develop."[2]