Country singer Jackson is a term that refers to two different singers, ALAN Jackson and Wanda Jackson. ALAN Jackson is an American country music singer-songwriter who has been active since the 1980s and is known for his traditional country sound. He has released over 20 studio albums and has won numerous awards, including two Grammy Awards. Wanda Jackson is an American rockabilly singer who was active in the 1950s and 1960s. She is known as the 'Queen of Rockabilly' and has been inducted into the Rock and Roll Hall of Fame.