The term MET SOLO is a combination of two words, 'MET' and 'SOLO'. MET stands for Metropolitan Opera, which is an opera company based in New York City. SOLO stands for 'SOLOIST', which is a musician who performs alone without accompaniment. The crossword solution for the term MET SOLO is ARIA, which is a type of song or melody that is usually part of an opera or musical theatre. An ARIA is typically sung by a SOLOIST and is often used to express strong emotions.