"Merle's Farewell To Elvis" is a tribute song by Merle Haggard to Elvis Presley, who was a significant influence on Haggard's music. The song expresses Haggard's admiration for Elvis and his contribution to the world of music. The opening line of the song, "From Graceland to Gloryland, my best to Elvis," is a reference to Elvis' home in Memphis, Tennessee, which was called Graceland. It is also a nod to Elvis' legacy, which is believed to have put him in a place of honor in heaven, or Gloryland. The song then mentions how Elvis joined the Promised Land, which is another reference to his passing. The lyrics suggest that Elvis' music and impact on the world of entertainment was something that he would always be remembered for. In essence, "Merle's Farewell To Elvis" is a moment of tribute and appreciation for a legendary musician who left an unforgettable mark on the world of music. Haggard's words express how much Elvis meant to him and how much his music contributed to shaping the music industry as we know it today.