The Latin Trio Middle is a term used to describe the three middle members of a Latin trio, which consists of a lead singer, a bass player, and a percussionist. The crossword solution for this term is AMAS, which stands for 'Amor, Musica, y Alegria' which translates to 'Love, Music, and Joy'. This phrase is often used to describe the spirit of Latin music, which is characterized by its passionate and joyful sound.