1. Sol feige

2. Do re mi far so la tea do is included in sol feige
It is a major scale that sounds the same on any note of the piano as long as you use the right notes you always have to use a black key unless you are doing c major plus they all sound the same.

3. Intervals An interval is the distant between one note and another
In other words the distance between 2 notes

4. Intervals An interval is the distant between one note and another
In other words the distance between 2 notes

5. Intervals An interval is the distant between one note and another
In other words the distance between 2 notes

6. F# G G# A A# B C C# D D# F
D # E
C #
A #
G #