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Meet David Arch, the Musical Director (standing in the centre), and the fantastic four Strictly singers - Tommy Blaize (top right), Lance Ellington (top left), Priscilla Jones Campbell (sitting, left) and Hayley Sanderson (sitting, right). Learn more about the band and singers on .

Music impresario David Arch joined Strictly as the Musical Director in series 4. He was previously MD on the Â鶹Éç One show, Just the Two of Us, and he has also worked on many films, including the Harry Potter series.

Priscilla joined Strictly in series 4. She is a gospel singer, and mainly sings the soul and R&B numbers on the show. She says she would love to have a go at Strictly, but says 'everyone knows I have two left feet, so it wouldn't look good!' Her album, 'Prophecy', was launched in 2007. You can find more information on her .

Hayley joined the singing team in series 5, and she specialises in jazz. She is a big fan of Ella Fitzgerald who inspired her to become a singer. She says the worst thing about working on the show is the lack of loo breaks - and wishes they could have a portaloo next to the drums! You can find out more about Hayley on her .

Tommy is a long-serving member of the team and sings the big numbers. Tommy loves Strictly because it's the only TV show that has live music, live entertainment, glamour and it's a great family show. And he would love to have a go himself!

Lance is the son of the well-known band leader Ray Ellington, and usually sings the big ballads and swing numbers. His favourite contestant ever on Strictly is Zoe Ball. You can find out more about Lance and his albums on his .