 More recently, performance of two 'cross-over' works by Karl Jenkins - The Armed Man and Requiem - stretched the boundaries of CBBC singers’ experience.Modernism does not mean that the choir has neglected its roots and it often returns to the music of J. S. Bach.In April 1997 the choir gave a performance of the Mass in B minor in Bath Abbey under the baton of the president, Sir David Willcocks, to mark its 50th anniversary celebrations and, more controversially, gave a semi-staged and critically acclaimed performance of the St. John Passion in The Forum, Bath in April 2005, using lighting and moving images, and later as noted in the histogram of performances.