There may as many as 50 pages to navigate to listen to all the songs. It is that comprehensive. Scroll down to the bottom of the page and click on the red link that says "Older Posts". Keep doing that until you've heard them all.
We hope you're enjoying the feature. Check back often and refresh your browser as we celebrate over 900 songs by American artists. They will load onto the web site at different times during the day so you'll have a chance to catch them all.
Chicago came up with this classic in 1974: