Ruth Brown and Big Mama Thornton were influential R&B singers. true or false

One of the researchers mentions that he is looking for "affiliation cues" in the video recordings of the experiment. how would you describe what these affiliation cues indicate?

Which of the following was  not  part of the typical medieval mass ordinary service? kyriegloriacredo motetsanctusagnus dei

So my science teacher said anything that makes noise can in a way make music, instruments make music, and mayonnaise makes sound. so i have a question, do not report. is mayonnaise a instrument?