Video recording of a student performance of original compositions, probably from the course, Linear Composition/Improvisors. According to the New School Course Description Archive, this course was taught in Fall 2012 by School of Jazz faculty Jane Ira Bloom. The course description reads:

A performance/composition course exploring how to structure compositions and improvisations using melodic lines or horizontal motion. Participants in the class both compose and perform. Students learn to compose using their improvisational ability as their point of departure and are required to write and perform several compositional/improv assignments throughout the course. A live concert recording of students’ original compositions is the final class project.