What is the fine-grained topic of the following text: 2017 will see the introduction of a ‘Celtic meets Country’ showcase and also a stunning young group from East Tennessee State University led by Dr. Jane MacMorran and her son Will both of whom who have appeared at Speyfest in the past. Only return the topic.
Introduction of 'Celtic meets Country' showcase and performance by East Tennessee State University group at Speyfest 2017.