Inside this issue:Moor Mother: As Camae Ayewa prepares for her appearances at Birmingham’s Supersonic festival, Philadelphia’s globally active artist, performer, poet and activist discusses time, destiny and futurism. By Emily PothastThe Primer: Latin freestyle. Let the music play with our guide to the non-planar vortices of the influential 1980s New York style. By Peter ShapiroEllen Arkbro: Her latest album CHORDS takes the Swedish composer into a new realm of sound and space. By Claire SawersInvisible Jukebox: The Bohman Brothers: Will the London duo need to improvise in the face of The Wire’s mystery record selection? Tested by Clive Bell