In Ear Training 1, you mostly dealt with diatonic notes (notes belonging to the major scale). Level 2 throws you into the deep end with and chromaticism .
The Berklee Ear Training 2 curriculum is systematically split into three main areas of study: solfege-based sight singing, harmonic recognition, and rhythmic dictation. 1. Sight Singing and Solfege (The Movable-Do System)
Berklee utilizes the "Movable-Do" system with "Do-based minor." This means "Do" is always the tonic (the root note) of the key you are in, whether major or minor. Do, Re, Mi, Fa, Sol, La, Ti, Do