Periapsis Music and Dance presents Ipseities, a project created by artistic director Jonathan Howard Katz during quarantine, featuring short dances to piano music composed and played by Katz.   Choreographers for the April 25th live streaming from Brooklyn's Soapbox Gallery are Kyla Barkin, Ashley Carter, Maggie Joy & Erin Maher, Annie Nikunen, Marlaina Garcia Riegelsberger, and Rebecca Walden.