Harmony & Dissonance Celebration Concert: 7:30-9:30 p.m. March 10, First Congregational Church of Oakland, 2501 Harrison St., Oakland. Kitka, Oakland’s women’s vocal ensemble celebrates its 40th anniversary with an evening of soulful songs, stories and recollections from decades of exploring harmony singing traditions from Eastern Europe and beyond. $20-$40. http://www.kitka.org/events/