The Ensemble Unicorn is a Viennese early-music ensemble. The Ensemble consists of five musicians who specialize in early music, who play on rebuilt historical instruments. They perform and record (often with guest musicians) music from the mediaeval period to the baroque, as well as their own works. The five members of the ensemble are Michael Posch (recorders), Riccardo Delfino (hurdy gurdy, bagpipes, harp, and dulcimer), Marco Ambrosini (keyed fiddle