MUSIC: New York avant-garde stalwarts Ikue Mori (laptop) and Zeena Parkins (electric harp) team up with legendary guitarist Fred Frith for a first-ever joint appearance in Los Angeles. The longtime collaborators are international icons of contemporary improvisation, regularly performing with artists such as John Zorn and Ensemble Modern. See http://redcat.org/season/0708/mus/sound.php. ($)