drum duos ñ 14 schlagzeug duette slow-swing jazz-mambo/mozambique hip-hop shuffle afro-pop/rudiments guanguanco grunge drum & bass med.-up swing timba-salsa ecm open-timefeel afro-cuban 6/8 ñ verschiedene time-ebenen subdivision & polyrhythmik wechselnde metren atmung & klang/grafische notation