Alone on stage is a phrase that describes a performer who is the only one on stage during a performance. The term can be broken down into three crossword solutions: SOLA (4 letters), SOLUS (5 letters), and ARIA (4 letters). SOLA is a Latin word meaning alone or solitary, while SOLUS is a Latin word meaning alone or only. ARIA is an Italian word meaning air or melody, which is often used to describe a solo vocal performance.