Almain by Robert Johnson (c. 1583 1633) English composer and lutenist of the late Tudor and early Jacobean eras.

For Guitar solo. With finger position suggestions.
With tablature.

With downloadable mp3 just for audio help.

Easy to Early intermediate,1:40' min.

Pages: Two (2) pages.

Lady Athenry  byTurlough O'Carolan (1670 – 25 March 1738).
Guitar solo. Early intermediate.
With tablature. With finger position suggestions.
With downloadable mp3 just for audio help.
Pages : Two (2) pages, 1:15' min.

The six Cello Suites, BWV 1007-1012 are some of the most frequently performed and recognizable solo compositions ever written for cello.
Here are the minuet I and II from Cello suite 1 (BWV 1007)

For Guitar solo.

With Guitar tablature. With finger position suggestions.

With downloadable mp3 just for audio help.

Early intermediate, 2:45' min.

Pages: Two (2) pages.

Andante from Flute Sonata BWV 1033 by Johann Sebastian Bach (1685 - 1750).

Guitar Solo. Intermediate.

With downloadable mp3 just for audio help.

With standard notation and Tablature (TAB). With finger position suggestions.

Pages : Three (3) pages, 1:50' min.

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'.
Here is a version for Classical Guitar solo, with standard notation and tablature, with downloadable simple mp3 for audio help, 3:45 min, Eight pages, Advanced.
Requires : Ability to play fluently standard Guitar tremolo, play Guitar fretboard till 19th fret.
(Guitar tuning: 5th string to Sol, 6th to Re).

(Other editions : S0.264201 Ave Maria by Gounod-Bach version for Guitar solo without tremolo.
S0.22484   Ave Maria by Schubert version for Guitar solo).