Reading and singing the Solfege syllables out loud is an extremely effective way to internalize the unique sound-feeling of each note in a musical scale…
Let’s do some serious ear training by singing the Bb Major Scale in a variety of commonly-used musical patterns…
Linear, Acscending…

Linear, Descending…

Tip: It is absolutely essential that you sing these studies out loud.
Do-X-Do, Ascending…

Do-X-Do, Descending…

Tip: At first, it’s okay to play the notes on the piano as you sing, but the ultimate goal is to be able to hear-feel each note in your mind’s ear without help from your instrument.
Broken Thirds, Ascending…

Broken Thirds, Descending…

Tip: It is critically important that you play and sing these studies slowly enough to allow the sound-feelings to make an impression on your mind’s ear.
Triplets, Ascending…

Triplets, Descending…

Tip: Do not try to hear the interval between successive notes. It’s okay if you do, but be receptive to the unique sound-feeling of each note with respect to the key center Do.
Diatonic Triads, Ascending…

Diatonic Triads, Descending…

Tip: More complex patterns are possible as well, but the 80-20 principle tell us that your precious time is better spent going right to the kinds of music that you want to play for your study-practice material.