Performers from Grove Cottage in Bishop’s Stortford have completed their final rehearsal before taking to the stage of the Royal Albert Hall with Michael Ball. The members of the Music Man Project Hertfordshire will perform on Monday, April 8, for a concert with a live orchestra and the band of His Majesty’s Royal Marines. Their appearance will be the culmination of more than a year of practice, with the Grove Cottage team learning instrument names, how to play them, and how to sign and sing all the tunes. The Music Man Project, founded by David Stanley, is specifically designed for individual…