Valse opus 64-1 (minute valse) by Chopin for easy piano.
With downloadable mp3 for audio help.

A Romance for easy piano by I.Kryzanowski (1826-1905) 4 pages, 84 bars, 2:15 min.
With downloadable mp3 for audio-help.

A Wish (Zyczenie) opus 74/1 by Frederick Chopin for solo piano, 3 pages.

Aria from Goldberg Variations BWV 988 by Johann Sebastian Bach (1685 28 July 1750).

For Piano solo.
Advanced Intermediate.
With downloadable mp3 just for audio help.

Pages: Three (3) pages, 2:20' min.

Jingle Bells, is one of the best-known and commonly sung American songs in the world. It was written by James Lord Pierpont (18221893) and published under the title "One Horse Open Sleigh" in the autumn of 1857.
Here is an arrangement for piano solo based on the original, with melody line and lyrics, with downloadable mp3, 3 pages, early intermediate to intermediate, 1:50' min.