Skylark is an American popular song with lyrics by Johnny Mercer and music by Hoagy Carmichael, published in 1941.
Here is an arrangement for Piano solo or Piano and voice, with lyrics, guitar chords and melody line. 
Advanced Intermediate Piano.
Four pages, 2:20' min.

A sacred song (7) medley for piano solo first published around 1890.
Early intermediate to intermediate level.
With melody line, with downloadable mp3 for audio help.
Pages : eight (8) pages, 8:40' min.

Just As I Am,  Charlotte Elliott (1789-1871)Rock of Ages, Augustus Toplady (1740-1778)
Nearer My God to Thee, Sarah  Adams  (1805-1848)
How Gentle Gods Commands, Philip Doddridge (1702-1751)
Majestic Sweetness Sits Enthroned, Samuel Stennett (1727-1795)
Flee as a bird, Mary Dana Shindler (1810-1883)
Onward Christian Soldiers, Sabine Baring-Gould (1834-1924)

Perfect Day (Just a Perfect Day) is a song written by Lou Reed in 1972. The lyric is often considered to suggest simple, conventional romantic devotion.

For Piano. Intermediate.
With lyrics. With melody line. With Guitar chords.

Pages: Six (6) pages (4 pages score with Piano, melody line and lyrics, 2 pages Piano part).

For Piano and voice, 4:20' min.
With lyrics.  With melody line.
With Guitar chords.

Pages: 11 pages (8 pages Piano score with lyrics and melody line, 3 pages Piano part).

On the Earth be Peace, is a widely known traditional Christmas Carol.
Here it is a version for easy to early-intermediate piano solo, or piano and voice.
With downloadable mp3 for audio help.
With finger position suggestions, lyrics and melody line, 3 pages.