Conversation so far:
What other venture was Amy Winehouse doing?
Amy Winehouse appeared in a revealing photograph for the April 2008 issue of Easy Living magazine.
What was Amy Winehouse's revealing photograph for the April 2008 issue of Easy Living for?
As part of a breast cancer awareness campaign, Amy Winehouse appeared in a revealing photograph for the April 2008 issue of Easy Living magazine.
What else did Amy Winehouse do besides appear in a revealing photograph for the April 2008 issue of Easy Living magazine?
Winehouse loaned a vintage dress used in her video for Tears Dry on Their Own as well as a DVD to the British Music Experience,
What was the British Music Experience?
The British Music Experience is a permanent exhibition in the Cunard Building on Liverpool's waterfront.

Question: When did the museum open to the public?
Self-contained rewrite: When did the British Music Experience open to the public?