Four Hands Piano Recital Selections from music of Brahms, Dvořak, Schubert, and more with Jonathan Feldman and Rita Sloan, piano   Rita Sloan is acknowledged internationally as a leading teacher of piano, collaborative piano and chamber music. Ms. Sloan retired this past July from being a piano faculty member and director of the collaborative piano program at the University of Maryland, positions she has held  since 1999. As an Artist Faculty Member at the Aspen Music Festival, Rita Sloan founded their Collaborative Artist…