‘Les Mills International: A World Class Service’ explains how Les Mills International has become the service leader in group fitness, and world class. This book explains how LMI achieves its value proposition through a focus on results and motivation through music and dance. The book series ‘Interface: Cases, Essays and Stories for Use in Business Education' is developed from real classrooms and from the research of Associate Professor Janet G. Sayers. Cases, essays and stories can be adapted for use in any educational setting: primary, secondary or tertiary.