Mood music is a term used to describe music that is intended to evoke a certain emotion or atmosphere. The term 'mood music' can be used to describe any type of music, from classical to pop, that is designed to create a certain feeling. In the crossword, the solution for the term 'mood music' was 'EMO', which stands for 'EMOTIONAL'. EMO music is a genre of rock music that is characterized by its emotionally charged lyrics and often melancholic sound.