Greek percussionist Katerina Anagnostidou; Icelandic classical accordionist Jónas Ásgeirsson; and Denmark-based Icelandic singerÞórgunnarAnna Örnólfsdóttir premiere new work* by Camden native Marianna Filippi and perform other contemporary classical works plus arrangements of traditional songs.Tickets are $26 in advance/$30 day-of-show; choose your own reserved seat online/next-best-available assigned at door. Tickets via camdenoperahouse.com or (207) 236-3154. Sponsored by Camden Maine Stay Inn. * “Through the Eyes of an Octopus,” inspired by the award-winning Netflix Documentary “My Octopus Teacher.”