Privacy and Security


For visitors outside the European Union, the 3rd party ad providers who keep this site alive (Google, Amazon) etc. track your visits via cookies to show personalized ads.

Please have a look at Google's Privacy Policy and Amazon's Privacy Policy.

EU visitors who Allow Cookies in the consent bar will see non-personalized ads from the providers above.

EU visitors who Decline these 3rd Party cookies when first presented with the consent banner will instead see ads not requiring cookies.

EU visitors who choose to Decline cookies after they have previously Allowed them (ie Revoked permission) will be treated the same as Declined, but ONLY after they have removed the Google/Amazon cookies manually from within the browser.

Contact Page

If you get in touch via the Contact page, your email address will not be published, passed on or sold to anybody, for any reason.

It will only be used to reply, and you will not be signed-up to receive any emails - this can only happen by opting in to the Sign Up page.

Mailing Lists

When you Sign Up to a mailing list your email is keep on an https(TLS) secured website, so it's never sent across the internet unencrypted.

Your email is kept and used only by, and its owner company Instacosa S.L.U. to keep you up to date with music theory news, give you freebies, and offer goods for sale.

Your email will never ever be published, passed on or sold to any other person, company or organisation.

If you Cancel your Sign Up, you will be automatically removed from all mailing list subscriptions for this site.

If you have cancelled your sign-up, and are still receiving emails, please Contact Me, and I will cancel your signup manually.

Referal Links

If you click on a link which takes you to, and you buy any product within 48 hours, this site will receive a small commission on that sale from Amazon, from a cookie that identifies this site as the referrer.

IP Addresses

IP addresses are kept of all visits to, but do not identify individual users.

They are used to identify patterns in unauthorised use, then block illegal use of the service.

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