Violinist, composer, improviser, bandleader, and (yes) singer Jenny Scheinman has been a major force in avant jazz and roots-oriented creative music on both coasts of America, making a particular impact in the Brooklyn creative jazz scene following her arrival in the borough from the West Coast in 1999. She made weekly appearances at the Barb+¿s club in the Park Slope neighborhood when not on tour or involved in other competing projects, using her residency there as a laboratory for trying out a variety of musical approaches and configurations, exploring styles from avant jazz...