What is the fine-grained topic of the following text: The performances will take place at Mersey Park and Woodlands schools, Birkenhead as part of a full week of performances in schools situated along the trainline that carried the Black Chair from the Birkenhead 1917 National Eisteddfod to Hedd Wyn’s home at The Ysgwrn in Trawsfynydd. Only return the topic.
Performances at Mersey Park and Woodlands schools in Birkenhead related to the Black Chair from the Birkenhead 1917 National Eisteddfod and Hedd Wyn's home.