Rev. Birgir Ásgeirsson og Inga Harðardóttir youth coordinator. Hallgrímskirkja’s Youth choir sings and conductor is Ása Valgerður Sigurðardóttir. Organist is Hörður Áskelsson. After the family service is a family festival on the church hill. Hot dogs, jumping mattresses, face painting and more. Also the swedish choir Katarina Kammerkör holds a free concert after the service.