I've made a few changes to ~Riri's original effort.
Comments / improvements are welcome  chipplejay

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    Calvin Harris                  I'm Not Alone
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          Am              G                Em                  F  
Can you stay up for the weekend and blame God for looking too old
        Am                 G                     Em                       F
Can we find all that you stand for,  has been replaced with mountains of gold

            Am                G                Em               F   
You cannot dream yourself to notice,  to feel pain and swallow fear  
             Am              G                   Em          F 
But can you stay up for the weekend,  till next year

            Am             G                   Em                 F  
God I can't do this any more,  though I'll be laid down on the floor  
         Am                    G               Em         F
As many feet walk through the door,  I'm not alone

 C                    G                               Am         F
If I see a light flashing,  could this mean that I'm coming home
 C                G                             Am        F
If I see a man waving,  does this mean that I'm not alone    [3 x ]

C                    G                               Am         F
If I see a light flashing,  could this mean that I'm coming home
 C                G                             Am        F
If I see a man waving,  does this mean that I'm not alone, no