JOSEPH Lee Jackson and Glenn Scrimshaw may not be household names in the world of music. But as their alter egos, Freddie Mercury and Brian May, they are known the world over. For the pair are key players in Mercury – who are, in case you hadn t guessed,

JOSEPH Lee Jackson and Glenn Scrimshaw may not be household names in the world of music.

But as their alter egos, Freddie Mercury and Brian May, they are known the world over.

For the pair are key players in Mercury - who are, in case you hadn't guessed, a tribute act to the legends that are Queen.

The group are celebrating their 10th anniversary in the only way they know how, by touring.

And they will be stopping off at Castle Hall in Hertford on Friday.

The concert starts at 8pm, and tickets cost �16.50.