Am E A letter once a year G#m C#m A To let you know whether I've been good Am E And all the kids at school G#m C#m A Said you're not real, but I knew the truth Am B7 Nobody, nobody, nobody else [Chorus] N.C Only Santa knows E C#m F#m7 When you're asleep B Only Santa knows E C#m F#m7 What cookies you leave B Only Santa knows E C#m F#m If you really do believe B Only Santa knows Am E Ooooh Ooooh Ooooh Ooooh [Verse 1] Am E I saw you cross the moon G#m C#m A I ran inside to go straight to bed Am E In the magic of the night G#m C#m A I close my eyes and watch reindeers fly Am B7 Nobody, nobody, nobody else [Chorus] N.C Only Santa knows E C#m F#m7 When you're asleep B Only Santa knows E C#m F#m7 What cookies you leave B Only Santa knows E C#m F#m If you really do believe B Only Santa knows Am E Ooooh Ooooh Ooooh Ooooh [Bridge] F#m B I can't wait 'til Christmas morning, before the day's begun F#m B I'll check the garden to see if all of the carrots are gone E A Tell mom and dad that we've got presents B Underneath the tree C# We'll have to wait and see [Chorus] N.C 'Cause only Santa knows F# D#m G#m7 When you're asleep C# Only Santa knows F# D#m G#m7 What cookies you leave C# Only Santa knows F# D#m G#m7 If you really do believe C# Bm D Only Santa knows Bm D Only Santa knows E F# Only Santa knows