sentences:  He spent five years in Berlin, studying composition under Otis Bardwell Boise and piano under Heinrich Barth.Afterwards he returned to the U.S. and worked as a piano teacher and composer at the Peabody Institute in Baltimore, Maryland, along with the Institute of Musical Art (now the Juilliard School) and the Mannes College of Music, both in New York.Collaborating with the classically-trained singer Loraine Wyman, he carried out a six-week fieldwork journey in the Appalachian Mountains in Kentucky to collect traditional folk songs from the people living there.