Grammy-nominated musician Daniel Stepner joined the LSQ, as first violinist, in 1987. He earned his second Grammy nomination, in 2005, for his work on world-premiere recordings of retired Brandeis music professor Yehudi Wyner's “The Mirror/Passover Offerings.” A Professor of the Practice on the faculty at Brandeis University, Mr. Stepner is a member of Boston Museum Trio and of the Handel and Haydn Society, where he served as concertmaster for 24 years. During the summers, he is the artistic director of the Aston Magna Festival in the Berkshires. As a touring musician, he has played in 11 countries in Western Europe and the former Soviet Union, and throughout Australia and the United States. He has performed and recorded a wide repertoire on period and contemporary instruments. In addition to the Lydian String Quartet's many recordings, he has recorded chamber music by Buxtehude, Bach, Marais, Rameau, Vivaldi, Telemann, Mozart, Schubert, and Charles Ives. He studied with Steven Staryk in Chicago, Nadia Boulanger in France, and Broadus Erle at Yale.