Ionian Scale Degree

Question 1

1- Root - Do

Answer 1

Octave
Somewhere over the rainbow
Singing in the rain

key of C - C
Key of G - G
Key of D-D
A-A

Question 2

2nd - Re

Answer 2

Happy birthday

Key of C - D
Key of G - A
Key of D - E
A-B

Question 3

3rd-mi

Answer 3

When the Saints Go Marching In

Key of C - E
Key of G - B
Key of D - F#
A-C#

Question 4

4rth - fa

Answer 4

Oh Christmas Tree 
Here Comes the Bride
A-ma-zing Grace
--- 
Key of C - F
Key of G - C
Key of D - G
A-D

Question 5

5th - so

Answer 5

Twinkle Twinkle Little Star

Key of C - G
Key of G - D
Key of D - A
A-E

Question 6

6th - la

Answer 6

My Bon nie

Key of C - A
Key of G - E
Key of D - B
A-F#

Question 7

7th-ti

Answer 7

Take On Me
Somewhere O-Ver

Key of C- B
Key of G - F#
Key of D - C#
A-G#