This is the Help page for Happy Note!’s videos on YouTube (32 videos with color notes in Treble Clef, both A B C and DO RE MI notation)
Why Color Notes to learn to read music ?
Each video adds a new music note and plays two musical readings : a and b.
The a musical reading always displays the new music note in color – here a C/DO, the black note is a G/SOL – to help you to recognize it :

The b musical reading use the same notes that the ones from the previous a musical reading but the new note C/DO is now in black (so you must read it and recognize it without the help of color) :

Let see what happen with 3 music notes.
3 Music Notes
The musical reading below plays the 2 notes C/DO and G/SOL learned in the previous video and adds the new colored note E/MI :

The 3b musical reading use the same 3 notes that the ones from the previous 3a musical reading but the new note E/MI is now black and you must read it and recognize it without the help of color :

Let see a last example with 4 music notes.
4 Music Notes
The musical reading below plays the 3 notes C/DO, E/MI and G/SOL learned in the previous videos and adds the new colored note D/RE :

The 4b musical reading use the same 4 notes that the ones from the previous 4a musical reading but the new note D/RE is now black and you must read it and recognize it without the help of color :

How to read the musical readings ?
To learn to read notes, you must say or sing the name of each musical note AT THE SAME TIME as you hear it.
As Happy Note!’s musical readings are displaying the name of every note when they play them, you can check if you are reading them correctly.