Two concert works by Terje Rypdal for electric guitar and ensemble, Q.E.D. Opus 52 and Largo Opus 55, played by Rypdal with the Borealis Ensemble conducted by Christian Eggen. Recorded August and December 1991, Rainbow Studio, Oslo. ECM 1474, 1993.
Uma Elmo is a 2021 ECM album by Danish guitarist Jakob Bro in a bassless trio with trumpeter Arve Henriksen and drummer Jorge Rossy, recorded in August-September 2020 at the Auditorio Stelio Molo RSI, Lugano, and produced by Manfred Eicher.