This is my very first tab so I hope it works.
It's a corrected version of br33dl0v3's tab. I found some mistakes and things that 
didn't sound that great.

half step down

C#m7  - X46600
Asus2 - X02200
E (022100@1)   - 022100
Bsus4 - X24400
Ab    - 466544
F#m   - 244222

[Intro]

C#m7   Asus2   E   Bsus4

[Verse 1]

C#m7 (x4242x@1)         Asus2Today (x02200@1)could've been the day
           E (022100@1)        
that you'd blow out your candles
        Bsus4make (x24452@1)a wish as you closed your eyes
C#m7 (x4242x@1)         Asus2today (x02200@1)could've been the day
     Eeverybody (022100@1)was laughing
Bsus4
instead I just sit here and cry

[Pre-Chorus]

C#m7
Who would you be
Asus2 (x02200@1)             EWhat (022100@1)would you look like
                   Bsus4When (x24452@1)you looked at me
        Ab (xx1114@1)       C#m7for (x4242x@1)the very first time?
               Asus2 (x02200@1) 
Today could've been the next day
               Bsus4of (x24452@1)the rest of your life

[Chorus]

Asus2 (x02200@1)        ENot (022100@1)a day goes by
             Bsus4that (x24452@1)I don't think of you
Asus2 (x02200@1)           EI'm (022100@1)always asking why
           Bsus4this (x24452@1)crazy world had to lose
Asus2 (x02200@1)       C#m7such (x4242x@1)a ray of light
         Bsus4we (x24452@1)never knew
F#m (244222@1)          Asus2Gone (x02200@1)too soon

[Verse 2]

C#m7 (x4242x@1)              Asus2Would (x02200@1)you have been president
     Eor (022100@1)a painter, an author
    Bsus4who (x24452@1)sang like your mother
C#m7 (x4242x@1)       Asus2One (x02200@1)thing is evident
           Ewould (022100@1)have given all I had
          Bsus4woul (x24452@1)have loved you like no other

[Pre-Chorus]

C#m7
Who would you be
Asus2 (x02200@1)         EWhat (022100@1)would you look like
                   Bsus4would (x24452@1)you have my smile
    Ab (xx1114@1)     C#m7and (x4242x@1)her eyes
               Asus2 (x02200@1) 
Today could've been the next day
               Bsus4of (x24452@1)the rest of your life

[Chorus]

Asus2 (x02200@1)        ENot (022100@1)a day goes by
             Bsus4that (x24452@1)I don't think of you
Asus2 (x02200@1)           EI'm (022100@1)always asking why
           Bsus4this (x24452@1)crazy world had to lose
Asus2 (x02200@1)       C#m7such (x4242x@1)a ray of light
         Bsus4we (x24452@1)never knew
F#m (244222@1)          Asus2Gone (x02200@1)too soon

C#m7  Asus2   E   Bsus4

[Bridge]

C#m7 (x4242x@1)         Asus2 (x02200@1) E (022100@1)  Bsus4Not (x24452@1)a day goes by
C#m7 (x4242x@1)            Asus2 (x02200@1) E (022100@1)  Bsus4I'm (x24452@1)always asking why

[Chorus]

Asus2 (x02200@1)        ENot (022100@1)a day goes by
             Bsus4that (x24452@1)I don't think of you
Asus2 (x02200@1)           EI'm (022100@1)always asking why
           Bsus4this (x24452@1)crazy world had to lose
Asus2 (x02200@1)       C#m7such (x4242x@1)a ray of light
         Bsus4we (x24452@1)never knew
F#m (244222@1)          Asus2Gone (x02200@1)too soon

C#m7 (x4242x@1) Asus2 (x02200@1)  E (022100@1)  Bsus4 (x24452@1)[Ending]

C#m7 (x4242x@1)             Asus2And (x02200@1)not a day goes by
E (022100@1)                   Bsus4that (x24452@1)I don't think of you