Meaning of shakespeare a bridal song?

"A Bridal Song" is not a work of Shakespeare. It is a poem written by William Blake, an English poet, painter, and printmaker. The poem was first published in Blake's collection "Songs of Innocence" in 1789. Here's the text of the poem:

A Bridal Song

The voice that breathes o'er Eden,

That earliest marriage-day,

The turtle's voice is heard in heaven,

Telling the golden hours

Of endless peace and joy and love.

The evening-star, the morning-star,

Their beams on earth converge:

The fragrant bower, the murmuring stream,

The gorgeous hues of heaven,

The balmy breath of morn and even,

All that delights the eye or ear

Their joys to us impart:

But O, than all the sweetest joys

A heart at rest in Thee!

Thou art the only Paradise,

Thou art our heaven and rest,

O Lamb of God, the Spouse and Friend

Of every faithful breast!