It's a classical guitar song, I'm not sure how you play it, but however you play it, it's really awesome and romantic (in the heroic sense). Here's the link: classtab.org . You will need to play with fingers instead of a pick, and use a nylon string guitar for best results. But it's quite fun to play. Enjoy!

F#

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4 fr.
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"No Air"
(feat. Chris Brown)

Tell me how I'm supposed to breathe with no air

Intro music
F#  E  G#m  B

  F#
If I should die before I wake
    B
It's 'cause you took my breath away
F#                                        B
Losing you is like living in a world with no air
Oh

    F#
I'm here alone, didn't want to leave
  B
My heart won't move, it's incomplete
F#                                    B
If there was a way that I can make you understand

    F#                E
But how do you expect me
                        G#m
to live alone with just me
                          B
'Cause my world revolves around you
                      F#
It's so hard for me to breathe

[Chorus:]
                                            E
Tell me how I'm supposed to breathe with no air
                                  G#m
Can't live, can't breathe with no air
                                  B
It's how I feel whenever you ain't there
                F#
It's no air, no air
                                E
Got me out here in the water so deep
                                G#m
Tell me how you going to be without me
                                B
If you ain't here, I just can't breathe
                F#
It's no air, no air

(E.... G#m.... B....)
No air, air
No air, air
No air, air
No air, air

  F#
I walked, I ran, I jumped, I flew
    B
Right off the ground to float to you
F#                                    B
There's no gravity to hold me down for real

  F#
But somehow I'm still alive inside
    B
You took my breath, but I survived
F#                                B
I don't know how, but I don't even care

  F#                E
So how do you expect me
                      G#m
to live alone with just me
                          B
'Cause my world revolves around you
                      F#
It's so hard for me to breathe

[Chorus]
(E... G#m... B... F#..., etc)
No air, air
No air, air
No air, air
No air, air
No more
It's no air, no air

[Chorus x2]

No air, air
No air, air
No air, air
No air, air