This friday, jazz-rockduo BartolomeyBittmann is opening the cultural season in the Netherlands, during the opening concert of the Uitmarkt 2018, which will be shown on the Dutch television (NPO2). At 21:10 cellist Matthias Bartolomey and violist-mandola player Klemens Bittmann will climb the main stage as a preview for their performance on 21 October during CELLOFEST, the brand-new, non-classical component of the Cello Biennale.