"Joy to the World" is a popular Christmas carol with lyrics by Isaac Watts and music by G.F.Handel. As of the late 20th century, Joy to the World was the most published Christmas hymn in North America.
Here is an arrangement for Guitar solo or Guitar and voice (classical guitar or acoustic guitar fingerstyle).
Easy.
With Tablature. With downloadable mp3 for audio help. With melody line. With lyrics.
Pages: two pages.

Theme form the Godfather (Speak Softly, Love).
For Classical Guitar solo (or acoustic guitar with nylon strings and fingerstyle).

With tablature and some finger position suggestions.

Easy to early Intermediate. Pages: 2 pages, 21 bars, 1:10' min.

Blue Ridge Cabin Home  is a bluegrass standard by Gladys Stacey, Louise Certain (Now my thoughts wander back to that ramshackle shack / In those blue ridge hills far away / Where my mother and dad were laid there to rest / They are sleeping in peace together there...)
For Guitar or Guitar and Voice.
With Lyrics. With standard notation and tablature. With guitar chords.

Early Intermediate.
Pages: Three (3) pages.

Valsa sem nome by Baden Powell.

For Classical Guitar (or acoustic guitar with nylon strings fingerstyle) solo.
Early Intermediate.

With Tablature. With downloadable mp3 just for audio help.
Pages: Two (2) pages.

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.