Sat May 15

The X-tet: Songs of the Aviary

Boston Baroque · Sanders Theatre · Harvard · Harvard Square · Cambridge

Birdsong in music across four centuries, from Biber's and Schmelzer's cuckoo calls to Vivaldi and Rameau — built around the world premiere of a Lei Liang work inspired by the song of the Kaua'i 'o'o, a Hawaiian bird declared extinct in 1987.