Fanny and Felix Mendelssohn relied on each other to shape their very different musical careers. Bettmann/Corbis hide caption

itoggle caption Bettmann/Corbis

The adventurous Ebene Quartet kicks off a week of live chamber music at the Greene Space at WQXR in New York. Herve Martin/Virgin Classics hide caption

itoggle caption Herve Martin/Virgin Classics