"His Eye Is on the Sparrow" is a Gospel hymn written in 1905 by lyricist Civilla D. Martin and composer Charles H. Gabriel. Mahalia Jackson's recording of the song was honored with the Grammy Hall of Fame Award in 2010.

Guitar solo or Guitar and Voice. Early Intermediate.
With standard notation and tablature (TAB). With Lyrics. With guitar chords.

Pages: Four (4) pages, 1:20' min.

What a Wonderful World is a song written by Bob Thiele and George David Weiss. It was first recorded by Louis Armstrong and released in 1967 as a single, which topped the pop charts in the United Kingdom. Armstrong's recording was inducted in the Grammy Hall of Fame in 1999.

For Guitar (classical or acoustic), or Guitar and voice.

Early intermediate.

Pages: 5 pages, 2:40' min. Print in landscape.

Serenade op 72 for Flute or Violin and Guitar by Joseph Kuffner (31 March 1776  - 9 September 1856).
(Three movements: Andante, Minuet allegretto, Rondo moderato.)

With downloadable mp3's for audio help (with both the Flute and guitar and one with guitar only for practicing the Flute).

Pages: 26 pages (7 pages Flute part, 7 pages guitar part, 12 page Flute and guitar), 11' min.

See You Again, (no rap version) for Guitar (fingerstyle) solo or Guitar and voice.
With tablature.
Pages: Eight pages (8), early intermediate to Intermediate, 3:38' min.
Arranged in Landscape page format for better playability.

Fly Me to the Moon, originally titled "In Other Words", is a popular song written in 1954 by Bart Howard.
Since then it has become a frequently recorded jazz standard often featured in popular culture.
Here is classical or acoustic Guitar solo arrangement for easy to early-intermediate level. 
With some finger position suggestions and tablature. 
Pages: 3 pages , 1:20' min.