What is the poetic quality of the song "I will always love you" by Dolly Parton?

Dolly Parton's
song, "I Will Always Love You," uses some poetic devices; it would not, in my opinion,
stand up very well as a written poem without Parton's unique singing talent.

The poem's meter is irregular, with lines of anywhere between 3 and 11
syllables.

The first 8 lines of the poem rhyme, albeit in an...

href="https://www.youtube.com/watch?v=_utP1mGoutQ">https://www.youtube.com/watch?v=_utP1mGoutQ