Dimensionality Quartet is four acclaimed veterans of jazz and improvised music: pianist Ursel Schlicht, bassist Ken Filiano, drummer Lou Grassi, and vocalist Andrea Wolper. While each member of the group had played with the others in any number of configurations throughout the years, they had never performed as a unit until Schlicht, inspired by the free-thinking improvising pianist-composer Connie Crothers (1938–2016), organized the quartet, naming it Dimensionality after Crothers' frequent statement about life and music: "It's dimensional!"

The chemistry among the foursome was instantaneous, and since their debut at the 2017 Kassel and Göttingen (Germany) jazz festivals and subsequent New York City appearances (including most recently at The Stone), it has only grown—dimensionally. Dimensionality moves freely, intuitively, expansively from pure improvisation to spontaneous explorations of composed music and texts, bringing emotional generosity and the joy of discovery to their performances.

Dimensionality's appearance at Pioneer Valley Jazz Shares is part of a tour that…