GUMPELTZHAIMER, ADAM, a musician, born at Trosberg, in Bavaria, in 1560. The year of his death is not known. In 1581 he was appointed cantor of the school of Augsburg. He merits historical notice as one of the early creators of that German style of harmony which was afterwards employed with such effect by Handel, J. S. Bach, and others. "His modulations," says an eminent critic, "were based on the modern system of tonality; and while they were lively and unexpected, were still smooth and natural." There are several published collections of his Spiritual Songs for Four Voices.