This is from a PBS site that was created for Ken Burns' seminal film, Jazz; it is important to note that though this information was designed to supplement a documentary, one does not need to pay to use the sources online, nor do they need the documentary itself to understand the content. From the main site, one has many options to choose from to link to, though the best ones to use in order to cover the bench mark and indicator would be the links titled, Jazz Lounge, Jazz in Time, Jazz Exchange, and the Biographies section, all of which may be found on the left side navigation bar. From each of those links, another set of links will be provided for more specific information. From time to time, the audio clips found on the site may be inactive, but they usually work fine, given the proper technology is available on the computer being used. This site is fairly interactive, however teachers may want to select certain key sections and copy and paste them into documents to be distributed in class.