Can you give me song keyboard tunes with letters?

Can you give me song keyboard tunes with letters?
This tune is called 'german tune'

G E E F D D C D E F G G G G E E F D D C E G G C D D D D D E F E E E E E F G G E E F D D C E G C

This tuneis called 'can can'

C D E F G G
G A E F D D
D F E D C C
B A G F E D
C G D E C

This tune is called 'silent night'

G A G E X2
F D X2
E B
E C X2
C G
A A C B A X2
G A G E
D D F D
B C
C G E G
A G D C

well enjoy learning these tunes