[1] He relocated to Munich where he spent the next four years teaching while simultaneously appearing throughout Germany as a concert pianist.
"In 1916 Hughes returned to the United States to join the piano faculty at the Volpe Institute of Music where he worked for two years.
[1] He made his New York performance début on 14 March 1917, and thereafter was a busy concert pianist in both the United States and Europe for many years.
[1] Some of his notable pupils were pianists Reginald Bedford, Alton Jones, Jeannine Romer Morrison, and Sascha Gorodnitzki.
[4] In 1940 Hughes co-founded the National Music Council with Julia Ober, Harold Spivacke, and Franklin Dunham.