Sunflower Slow Drag, is a ragtime composition by Scott Joplin and Scott Hayden. It has been described as "full of gaiety and sunshine".
Here is an arrangement for Classical Guitar solo or fingerstyle guitar. With standard notation and Tablature, with downloadable simple mp3 for audio help.

Early intermediate. Five pages, 4:25' min.

How Great Thou Art is a Christian hymn based on a Swedish traditional melody and a poem written by Carl Boberg (18591940)  Sweden, in 1885. How Great Thou Art was ranked second (after Amazing Grace) on a list of the favourite hymns of all time in a survey by Christianity Today magazine in 2001.

For Flute and Guitar duet (Guitar in double D tuning (D,A,D,G,B,D)).

With standard notation and tablature.
Easy to early intermediate.

Pages: SIx (6) pages. (3 pages Melody/Flute and Guitar with tab, 1 page Melody/Flute part, 2 pages Guitar and tab part).

Aquellos Ojos Verdes (Green Eyes)  is a popular song, originally written in Spanish under the title "Aquellos Ojos Verdes" ("Those Green Eyes") by Adolfo Utrera and Nilo Menéndez, 1929. The English translation was made by Eddie Rivera and Eddie Woods in 1931.The song has more than 60 recorded versions. Ben Affleck also sang the Spanish version, in the 2006 film, Hollywoodland.
The song is very guitaristic and suits the guitar beautifully.

For classical Guitar solo or acoustic Guitar solo.
With standard notation and tablature.
Early Intermediate.

Pages: Two (2) pages.

D.W. Washburn by Jerry Leiber and Mike Stoller. Two famous recordings of the song are by the Coasters and the Monkees.

For Guitar solo (Classical or acoustic) fingerstyle.
Early intermediate to Intermediate - with many ragtime elements.

With standard notation and tablature (TAB).

Pages: Four (4) pages, 1:50' min.

Piano Man is a song written and performed by American singer-songwriter Billy Joel. Joel acknowledged on Inside the Actors Studio in 1999 that each of the characters in the song was based on a real person, either a friend of his or another customer at the bar, and the lyrics tell a story ("Yes, theyre sharing a drink they call lonelinesss, but its better than drinkin alone.)
For Guitar fingerstyle or Guitar and Voice.
Easy to Early Intermediate. With standard notation and tablature (TAB).
With Lyrics and melody line.
Pages: Five pages (5).