There can be many ways to play Happy Birthday on the piano, here are the key methods I use.
Note – The notes the are in bold mean that the pitch has to be changed, in this case, you have to change to a lower pitch.
A A B A D C#
Happy birthday to you(low pitch)
A A B A E D
Happy birthday to you(high pitch)
A A A F# D C# B
Happy Birthday my darling(slightly higher pitched)
G G F# D E D
Happy birthday to you(highest pitch)
A A B A D C#
Happy birthday to you(low pitch)
A A B A E D
Happy birthday to you(high pitch)
A A A F# D C# B
Happy Birthday my darling(slightly higher pitched)
G G F# D E D
Happy birthday to you(highest pitch)
A A B A D C#
Happy birthday to you(low pitch)
A A B A E D
Happy birthday to you(high pitch)
A A A F# D C# B
Happy Birthday my darling(slightly higher pitched)
G G F# D E D
Happy birthday to you(highest pitch)
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