(averill) in rumba, you have a clave. the avpattern is the key to the rhythmic structure of the enseme. in rumba guaguanco the clave sounds like this: [claps] the first side, if you divide this pattern in half has three beats. and the second half has two beats. and this is an asymmetric pattern and its asymmetry is critical to the sound of the entire ensemble. the musicians have to take this key and relate their drumbeats to this fundamental pattern that structure the entire musical ensemble. african musics and afro-caribbean musics have had a profound influence on pop musics throughout the world... notably in the development of the rhythm section. african-american musicians who were marching in the early brass bands in new orleans used bass drums snare drums, cymbals-- put them together into a repeating rhythmic unit. and later on when this music moves indoors, musicians put these together into a single set--the drum set. [band playing dixieland] the drum set and the bass are called the rhythm unit in a band and they int

averil you saw bit coin guy they lost track and lost communication with this kid. perhaps something happened. >> all right. well, you know, it's terrible when they start preying on young kids joining up and this is. >> that is the greatest question which we will continue to track which is who else did he possibly try and recruit or help. >> and who elms is being recruited like he is, anyway, griff, thank you. and the 20-year-old ohio man who plotted to bomb the u.s. capitol making a threat in a phone call from jail. the reporter who got that call. up next. also, murder mystery from england's biggest dog show. a possible canine killer still at large. report minutes away. no one thinks they're going to be in an accident. which is why no one wants insurance. so we go cheap. you know, because we're never gonna need it. until one day, we do. now that cut-rate policy is costing us big. makes you wonder if there's something better out there . see car insurance in a whole new light. liberty mutual insurance. do you have stuff to clean this mess of a breakroom? i have paper