Ruby Colley, the violinist, composer, and sound artist whose work spans genres from classical, to folk, sound art, and film, announces Hello Halo via New Amsterdam Records. Hello Halo was written for and performed by the contemporary vocal ensemble Exaudi alongside Colley on Violin.1. Hello Halo2. What Is It3. Duet 1 - Then4. Echoes5. Duet 2 - Now6. Cosmology