World-class German clarinetist and jazz saxophonist Rolf Kühn – the Resident Guest of this edition of the Singer Jazz Festival – will perform with the Jachna/Mazurkiewicz/Buhl trio. This new trio is a joint project of three musicians distinguished on the Polish improvised music scene – trumpeter Wojciech Jachna, double bassist Jacek Mazurkiewicz, and drummer Jacek Buhl. Together, they released a highly acclaimed album in 2016…