The DEMO version only includes 4 pages:
http://progstravaganza.com
http://progstravaganza.com/EmbeddedPlayer/album-1784028889/size-large/bgcol-333333/linkcol-0f91ff/tracklist-false/transparent-true_ext_iframe.html
http://progstravaganza.com/EmbeddedPlayer/album-1819430061/size-large/bgcol-333333/linkcol-0f91ff/tracklist-false/artwork-small/transparent-true_ext_iframe.html
http://progstravaganza.com/EmbeddedPlayer/album-2536861238/size-large/bgcol-333333/linkcol-0f91ff/tracklist-false/artwork-small/transparent-true_ext_iframe.html

It is possible to download these free files and install them on your server, so you can test how the site works.
Visit https://www.waybackmachinedownloader.com/en/buy-wayback-machine-downloader-recover/ to buy a fully functioning site.
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