That follows is some standard information concerning integrity for you as an Internet user and as a user of this site in specific.
Pianoscales.org store information, such as your personal preferences when you visit this site. This is a standard procedure (given that cookies are enabled in the browser) on the web and are due to basic functionality.
Pianoscales.org use third-party cookies to collect and analyze stats for internal purpose, such as how many users visits the site during a month.
The second use of third-party cookies is related to advertisement on the site through the Google AdSense program. Cookies are in this case used for ads optimizing, so-called interest-based targeting.