KAREN Tweed and Roger Wilson are in concert at Huntingdon Hall, Worcester, on Friday, June 21 at 8pm, part of the Passing Notes, the groundbreaking mentoring schemes for young up and coming folk musicians. Karen Tweed and Debbie Chalmers, fiddle, will lead a Song Arrange-ment Workshop on Saturday, June 22 at 11am. Concert tickets cost £8.50 (concessions £7.50.