Its linking 2 closely related independent clauses.
Answer:
If you could see what I see now you'd cry
Above the trees I see the sight, oh my
It's old and worn, but it brings piece of mind
Explanation: In poetry, an ‘iamb’ is a beat composed of an unstressed syllable followed by a stressed syllable. Therefore, a iambic pentameter, consists of a line that has five beats, each one with a strong syllable and a weak syllable. In order to complete the lines using iambic pentamenter, words with these characteristics are used:
If YOU could SEE what I see NOW, you'd CRY
ABOVE the TREES I SEE the SIGHT, oh MY
It's OLD and WORN, but IT brings PEACE of MIND
