Summer Sessions At The Castle and At The Manor are back for 2026 with their biggest line-up yet, featuring 90s sensation Peter Andre, party icons Vengaboys, viral K-POP experiences, family raves, Irish Anthems Live and much more across two packed summer weekends. Taking place at two stunning locations, Palmerstown House Estate in Kildare and Malahide Castle & Gardens in Dublin, organisers are promising their biggest and most diverse line-up yet, blending nostalgic throwbac