Chicago audiences have had a chance to experience Aryeh Nussbaum Cohen’s artistry, with the countertenor having made debuts with the Newberry Consort, Music of the Baroque, and the Chicago Symphony Orchestra. Uncharted ventures outside typical countertenor territory into 19th and 20th century lieder. Austro-Germanic lieder was the countertenor’s first musical love and on Uncharted, he indulges in music by Erich …