Festivāla atklāšanas koncerts. PĒTERA VASKA KVARTETS // ARĒNA 2026 is a contemporary chamber music concert in Riga at the Riga Reformed Church on 27 October 2026. The Pētera Vaska Quartet features Magdalēna Geka on violin, Egīls Šēfers on clarinet, Kristaps Bergs on cello and Iveta Cālīte on piano. The programme includes Olivier Messiaen’s “Quartet for the End of Time”, Arvo Pärt’s “Fratres” and Pēteris Vasks’ cycle “Episodi e canto perpetuo”. The concert opens the “ARĒNA” New Music Festival, held for the 25th time in 2026 and connected with Pēteris Vasks’ 80th anniversary year. The venue is at Mārstaļu iela 10, Riga.