Beardless Willie: An early publicity still for Willie Nelson circa 1965.

Turtleneck Willie: Another ’60s still of Nelson and a pre-Trigger guitar.

Everybody’s brother Willie: Nelson poses for a portrait with a man at the Hotel Taft on October 27, 1967 in New York City, New York.

Thoughtful Willie: Nelson enjoys a contemplative moment during the sessions for “Shotgun Willie,” his 1973 masterpiece.

Iconic Willie: With the bushy beard, the long hair and the red, white and blue guitar strap, Nelson performs at Hammersmith Odeon, London, circa 1977.

Close-up Willie: A fairly clean-shaven Nelson poses for a photo in New York in 2002 tied to the release of “Crazy: The Demo Sessions,” which compiled some of his earliest recordings.

Bright green Willie: Nelson’s battered acoustic guitar Trigger gets the day off as he opts for an electric guitar at Willie’s Fourth of July Picnic in Fort Worth in 2006.

A walk with Willie: Nelson walks down his driveway to join independent gubernatorial candidate Kinky Friedman for a news conference in Spicewood, Texas, in 2006.

Fan-friendly Willie: Nelson has played a lot of guitar.

Willie Nelson