This week's files take us: into the canopy in East Cork, at The Seed Pavilion; to meet Lonnie G. Bunch III, director of the network of museums and galleries that is The Smithsonian Institution; and through 25 years of RTÉ lyric fm in about six minutes.

Composer and academic, Sean Clancy on a few of his favourites in watching, listening, reading, tasting and smelling.

The original Celtic celebration of Bealtaine gets an eco-spin at a temporary treehouse in Glenbower Woods in Killeagh this bank holiday weekend.