Heinrich Ignaz Franz Biber and Johann Heinrich Schmelzer were the great masters of baroque instrumental music at the Habsburg court in Vienna, composing the dance music and chamber works that animated seventeenth-century courtly life. This 1998 recording by the historically informed ensemble Ars Antiqua Austria under Gunar Letzbor captures that world with striking immediacy. You hear sonatas and balletti for small instrumental groups—violins, viols, woodwinds—alive with ornament and contrapuntal detail, recorded with clarity and warmth. The pieces alternate between lyrical chamber elegance and spirited dance rhythms, giving a vivid sense of what the imperial court actually sounded like. This is baroque music made human and present, not antiquarian. Essential for anyone curious about early string music or the roots of the classical tradition.