text:  Eight years before the US's first ever curling gold medal, where, yes, they beat Sweden in the final. And tonight, a 28-year-old Simpsons joke will become a reality. The US hip-hop trio Cypress Hill will perform a concert at the Royal Albert Hall in London, accompanied by the London Symphony Orchestra, something the Simpsons mooted back in 1996. Here's the BBC's Colin Paterson.