Willie Nelson

The two singers have a history of duets together.

Now more than ever there is a general acceptance of the use of the drug across the genre.

Some have tried it. Some don't plan to ever stop smoking it!

On March 3, 1990, the country supergroup kicked off their concert tour at the Houston Livestock Show and Rodeo.

The country icon just never stops.

Their friendship was immortalized in several songs.

On Sept. 18, 2006, Nelson was arrested for possession of marijuana and narcotic mushrooms.

On Sept. 1, 1979, Nelson and Russell hit the No. 1 spot with their remake of the Elvis Presley hit "Heartbreak Hotel."

The lineup this year has plenty of country!

Here's where to find your favorite stars on America's Birthday!

It's a very special run of shows.

It was such a shock that the pictures went viral.