Merle Ronald Haggard (April 6, 1937 – April 6, 2016) Merle Haggard, Country Music Association's performer of the year in 1971.
This work is in the public domain because it was published in the United States between 1923 and 1977 and without a copyright notice.
It is most likely copyrighted in jurisdictions that do not apply the rule of the shorter term for US works and that figure copyright from the date of death of the artist (post mortem auctoris), and that most commonly runs for a period of 50 to 70 years from the last day of that year. . If your use will be outside the United States please check your local law.
From The Complete Film Production Handbook, (Focal Press, 2001 p. 211.): by Eve Light Honathaner.
"Publicity photos (star headshots) have traditionally not been copyrighted. Since they are disseminated to the public, they are generally considered public domain, and therefore clearance by the studio that produced them is not necessary."
Publicity portrait of country music singer Merle Haggard for Capitol Records. Date: 1975.
Publicity portrait of Merle Haggard for Tally Records. Date: circa 1961