Quote 4
ARIEL
Full fathom five thy father lies.
Of his bones are coral made.
Those are pearls that were his eyes.
Nothing of him that doth fade
But doth suffer a sea-change
Into something rich and strange.
Sea-nymphs hourly ring his knell.
Burden, within: Ding dong.
Hark, now I hear them: ding dong bell. (1.2.474-482)
Ariel isn't just being callous with his song, but pointing out that death is part of the natural process. Ferdinand is perhaps drawn away from his grief because the natural calls out to him, just as it now influences his father (were his father under the ocean).
Quote 5
ARIEL
Where the bee sucks. there suck I:
In a cowslip's bell I lie.
There I couch when owls do cry.
On the bat's back I do fly
After summer merrily.
Merrily, merrily shall I live now
Under the blossom that hangs on the bow. (5.1.98-104)
Ariel sings of the natural world as he dresses Prospero in his hat and sword so Prospero can be recognized by the courtly folks. This is Ariel's last direct act for Prospero—he embraces the natural world while he dresses Prospero for the world of the court. This seems to be Ariel's delicate way of saying goodbye, which is kind of beautiful.
ARIEL
All hail, great master! Grave sir, hail! I come
To answer thy best pleasure. Be 't to fly,
To swim, to dive into the fire, to ride
On the curled clouds, to thy strong bidding task
Ariel and all his quality. (1.2.224-228)
Ariel is loyal to Prospero, but he is also loyal to nature—his source of power and home. Ariel serves two masters, but seems to delight in the natural more than the community service aspect of his job.