Always on My Mind is an American country music song. There are over 300 recorded releases of the song in versions by dozens of performers as Elvis Presley in 1972; John Wesley Ryles in 1979; Willie Nelson's Grammy Award winning version in 1982; Pet Shop Boys in 1987; Loretta Lynn in 2016.
Here is an arrangement for Guitar solo, with standard notation and tablature.
Three pages, 33 bars, 2:30 min, easy to early intermediate.