Welcome to the Orchestra of the Age of Enlightenment’s ‘Illustrated Theory of Music’. This series of short, informal videos animate the stories behind music theory and provoke new questions about what we think we know. What does a ‘quaver’ really mean? Why do we use bars? Why does it have to be so slow? The series is led by the OAE’s dedicated musicians but audiences are invited to ask questions, challenge conventional wisdom and help to build a new understanding of music.

In this episode, our double bass Cecelia Bruggemeyer tells us all about barlines, using some drinks from behind her bar…