Willie Nelson is an American singer, songwriter, guitarist, and activist, born in 1933 in Abbott, Texas. A central figure in the outlaw country movement of the 1970s, Nelson is known for his distinctive voice, songwriting style, and extensive touring. His work includes iconic albums such as 'Red Headed Stranger' and collaborations with numerous artists across genres. Beyond music, Nelson is an advocate for environmental causes, marijuana legalization, and farmers' rights.