Take Me Home Country Roads, is a song written by Bill Danoff, Taffy Nivert and John Denver.
The song became one of John Denver's most popular and beloved songs.

Here is a version for Guitar duet and voice, with tablature, with melody line and lyrics, guitar chords.
Both guitars 9 pages, I guitar  5 pages, II guitar 6 pages, total 20 pages. Early intermediate to Intermediate.

Ave Maria, by Bach / Gounod, is a popular and much-recorded setting of the Latin text Ave Maria, originally published in 1853 as 'Meditation sur le Premier Prelude de Piano de J.S. Bach '.
For Classical Guitar Duet. Guitar I in drop D tuning (low E to D).
Early intermediate.
With standard notation and Tablature (TAB). With some finger position suggestions.
With downloadable mp3 just for audio help.
Pages : Twelve (12) pages (7 pages both guitars, 3 pages guitar I, 2 pages guitar II).

Cavatina is a 1970 classical guitar piece by Stanley Myers popularised as the theme from The Deer Hunter movie.
For classical Guitar (or acoustic guitar with nylon strings and fingerstyle) DUET.
With tablature and some finger position suggestions.
Early Intermediate.
Pages: 5 pages both guitars, 2 pages guitar A, 3 pages guitar B, total 10 pages.

Ariette (little aria), from the opera Les Mousquetaires de la reine (1846) by Fromental Halevy, (27 May 1799 - 17 March 1862).

Guitar Duet.  Intermediate to advanced intermediate.

Pages: Four (4) pages (2 pages both guitars, 1 page guitar I, 1 page guitar II),1' min.

El Vito is a traditional folk song and dance music of Andalusia whose origins can be traced back to the 16th century. 
By Fernandez Grajal, Manuel (1838-1920).
Classical Guitar duet. Early intermediate to Intermediate.
With tablature. With downloadable mp3 for audio help.
Pages: Seven pages ( 3 pages both guitars, 2 pages guitar I, 2 pages guitar II ), 2:05 min.