Basic chords for Piano. Sounds right to me and it is a fun song to make your own changes 
and variations. Song reminds me of scattering a friend's ashes on a mountain not far 
outside Las Vegas.

Bb (x1333x@1)                                      Bb/A
Dust devil swept you away. Still not real.

Gm7
Ash, urn, and silence.

Gm7         EmTalk (022000@1)to me.



BbDust (x1333x@1)devil swept you away.
Bb (x1333x@1)              Bb/A             Gm7
My recollections are all that's left of you.

Gm7                    F#Swirl (244322@1)and sway without me

Bb (x1333x@1)                    Bb/A
Dust devil swept you away.
Gm7                            EmWhirling (022000@1)playful dancing about you.
Bb (x1333x@1)                Bb/A
What's left of you is
Gm7                 F#Ash (244322@1)and urn and this silent horizon.