The Eagles have crossed boundaries from pop to folk to easy listening to country to rock 'n roll and back again during their career as a band... a longevity that began just over four decades ago.

They've sold over 150 million albums, roughly 100 million of those in the United States. They are the 5th highest selling act in musical history and the top selling American band of all time.

Current members Timothy B. Schmit, Don Henley, Glenn Frey and Joe Walsh have also each enjoyed tremendous success as solo artists. Both Henley and Frey for their string of pop/rock hits, Schmit for his easy listening style ballads and Walsh is famous for his guitar work and quirky rock 'n roll albums.

When the four members get together they boast some of the tightest harmonies and most most beloved songs in modern music history... and they will do just that on October 24 at the Scottrade Center in St. Louis. Find tickets and enjoy a night to remember with The Eagles.

Here's the band performing their top 10 country hit 'How Long' at the CMA Awards in 2007... followed by a few more of their biggest hits.