The mark is a sound. The mark consists of an acoustic piano melody which is in the key of A-flat major paired with digital synth textures. The piano melody sounds a two octave chord in the key of A-flat comprising the notes A-flat, E-flat, B-flat, C, E-flat, and A-flat, the A-flat being below middle C, the E-flat being above that, the B-flat above that, the C2, the E-flat above that, and the A-flat above that, combined with a synth sweep and echo, with a melody comprising the notes E-flat, G and A-flat, the E-flat being the one in the C2 octave, the G the one just above that, and the A-flat just above that, thereby to identify the Applicant's brand communications.