Variety Section

In the world of spacier sounds, there are two cool CD'sto focus your telescope on... {excerpt about Big Sky's CD removed} Meanwhile, the street buzz for the new CD by Ousia (OOH-see-uh) is building loud and fast.  "Why Is That A Four?" is an ambient record that somehow rocks.  8 p.m. today, Twilight Lounge behind Jitters, 1026 Nicollet Mall, Minneapolis.  333-8511.  (Jim Meyer)