Polly Moller Springhorn is a composer, performer, and improviser based in Oakland, California, USA. Equally at home in the worlds of free improvisation, composition, rock, and choral singing, she is a member of the duo B Experimental Band, Usufruct,Ghost in the House, and Reconnaissance Fly. Her innerworld solo project, brooding and forming since 2013, is Phainopepla. Her compositions and flute choir arrangements are available fromALRY Publications.