Donald Crockett's duo for violin and viola, 'to be sung on the water,' will be featured in a Westside Connections concert of the Los Angeles Chamber Orchestra, curated by concertmaster Margaret Batjer.  The performance will feature principal LACO players Sarah Thornblade, violin, and Roland Kato, viola.  The concert is at 7:30pm at the Moss Theater at New Roads School.  Visit laco.org for further information.