Riverdance from the packed theatre of 4,000 people. The performance is often considered the most well known interval act in Eurovision Song Contest history. Riverdance was later performed as an interval act at both the "" (2005) and "Eurovision Song Contest's Greatest Hits" (2015) events. Lead dancers Michael Flatley and Jean Butler transformed the previously chaste and reserved traditional dance form into something else entirely. The song "Riverdance" was released as a single and entered the Irish Singles Chart at No. 1 right after the Eurovision debut, staying there for 18 weeks—the longest amount of time a song has ever topped
Paul Harris (choreographer) He is also an author of dance books, having written "Salsa and Merengue – The Essential Step by Step Guide" and several dance syllabi for British awarding bodies in dance. Harris is an acknowledged authority and leading choreographer in historical dance, period dance, tango, salsa, swing dance, ballroom dancing, Latin American dancing and theatre dance. He is the winner of the 2008 Carl Alan Award for choreography. Born in St Helens, Harris began dancing at the age of eight and as a dancer, was a successful Juvenile and Junior competitor in ballroom dancing. He won the British Open Championships at