April is Jazz Appreciation Month, which culminates on campus with the 20th annual Wesleyan Jazz Orchestra Weekend, featuring two nights of concerts in Crowell Concert Hall. Cellist, composer, and educator Akua Dixon makes her Connecticut debut with her string quartet, Quartette Indigo, on Saturday, April 29 at 8pm. The group includes violinists Meg Okura and Frederika Krier, Judith Insell on viola, and bassist Jennifer Vincent. The Wesleyan Jazz Ensemble, directed by Noah Baerman, presents a concert with a variety of modern small-group jazz traditions and techniques on Friday, April 28 at 8pm. Assistant Professor of the Practice in Music Jin…