I only play the piano and just a little guitar;these are the chords I use.
For the C7/G this is my best attempt if it's not the sound you're looking for just use the "C7"

Key: AMajor (x02220@1)                       e----o-----|
                                    B----1-----|
Intro: Ab C7 Db E x2          C7/G  G----0-----|
                                    D----2-----| 
                                    A----1-----|
                                    E----3-----|

Ab (xx1114@1)        C7/G Db (x43121@1)  All alone, 
               E (022100@1)         AbIt (xx1114@1)was always there you see.
                   C7/G DbAnd (x43121@1)even on my own, 
                        E (022100@1)   Eb (x43121@3)It was always standing next to me.
              Gb (244322@1)                       DbI (x43121@1)can see it coming from the edge of the room.
                  Db (x43121@1)      EbCreeping (x43121@3)in the streetlight.
            Gd               DbHolding (x43121@1)my hand in the pale gloom.
                 Bb (x1333x@1)     
Can you see it coming now?



Ab (xx1114@1) C7 (x32310@1)Db (x43121@1)  AAAaaaaAAhhh... 
             Dbm (x13321@4)I think I'm breaking down again... 
Ab (xx1114@1) C7 (x32310@1)Db (x43121@1) AAAaaaaAAhhh... 
            DbmI (x13321@4)think I'm breaking down...



Ab (xx1114@1)        C7/G Db (x43121@1) All aloooone, 
             E (022100@1)       AbEven (xx1114@1)when I was a child, 
                 C7/G DbI've (x43121@1)always knoooown, 
                    E (022100@1)  EbThere (x43121@3)was something to be frightened of.
                  Gb (244322@1)                        DbAnd (x43121@1)I can see it coming from the edge of the room.
                   Db (x43121@1)     EbCreeping (x43121@3)in the streetlight.
            Gb (244322@1)                DbHolding (x43121@1)my hand in the pale gloom.
                BbCan (x1333x@1)you see it coming now?



Ab (xx1114@1) C7 (x32310@1)Db (x43121@1)  AAAaaaaAAhhh... 
             Dbm (x13321@4)I think I'm breaking down again... 
Ab (xx1114@1) C7 (x32310@1)Db (x43121@1) AAAaaaaAAhhh... 
            DbmI (x13321@4)think I'm breaking down...

Ab (xx1114@1)        C7Db
  All alone, 
        E (022100@1)         AbOn (xx1114@1)the edge of sleep, 
                  C7 (x32310@1)Db (x43121@1)My old familiar friend
            E (022100@1)            EbComes (x43121@3)and lies down next to me.
                  Gb (244322@1)                       DbAnd (x43121@1)I can see it coming from the edge of the room.
                  Db (x43121@1)     EbSmiling (x43121@3)in the streetlight.
              Gb (244322@1)           DbEven (x43121@1)with my eyes shut tight, 
                 BbI (x1333x@1)still see you coming now.

Ab (xx1114@1) C7 (x32310@1)Db (x43121@1)  AAAaaaaAAhhh... 
             Dbm (x13321@4)I think I'm breaking down again... 
Ab (xx1114@1) C7 (x32310@1)Db (x43121@1) AAAaaaaAAhhh... 
             Dbm (x13321@4)I think I'm breaking down again... 
Ab (xx1114@1) C7 (x32310@1)Db (x43121@1) AAAaaaaAAhhh... 
             Dbm (x13321@4)I think I'm breaking down again... 
Ab (xx1114@1) C7 (x32310@1)Db (x43121@1) 
  AAAaaaaAAhhh... 
            DbmI (x13321@4)think I'm breaking down...