Brother is an intimate duet for violin and viola in four movements. Throughout the piece the two instruments are very closely intertwined. Their colours fuse and coalesce. Together they weave patterns of sound, tracing lines that arc, overlap, dovetail and mirror one another, sometimes exchanging sounds, sometimes speaking as one voice. The final movement was composed first, and was written in a single day while on a residency in Massachusetts in 2012. Three more movements were commissioned by L...