From Billboard is an article “New Totally Hits Taps 20 Top Singles”
http://www.billboard.com/bb/daily/article_display.jsp?vnu_content_id=1000620250
The set also includes the smash “It’s Five O’Clock Somewhere,” a duet between Alan Jackson and Jimmy Buffett that spent several weeks at No. 1 on Billboard’s Hot Country Singles & Tracks chart.