This trial is active until August 31, 2012, and is a free 30-day database trial. Use the following link to access: http://ipm.academiccharts.com

Academic Charts Online (ACO) is a new and unparalleled database of popular music chart data from around the world. From the US, UK, Europe, South America, and Asia, ACO delivers access to an authoritative database under exclusive academic license from Billboard, the Official Charts Company, and more.

To learn more about Academic Rights Press’s Academic Charts Online, visit http://www.academiccharts.com/about-aco.html.