Peggy Seeger was also interviewed on the Culture Café on Radio Ulster, along with her son Calum MacColl, on Sat. 14 May 2022. The programme starts at 18.05 BST (UTC+1); I think the Seeger and MacColl interview was at about 18.30 (I listened on radio).
https://www.bbc.co.uk/programmes/m0017b5r