The crossword solutions for the term 'TOGETHER, MUSICALLY' are ADUE and GLUI. ADUE is an abbreviation for 'a due, ' which is a musical term used to indicate that two or more instruments should be played together at the same time. GLUI is an abbreviation for 'gliu, ' which is a musical term used to indicate that two or more instruments should be played in harmony with each other. Together, these two terms indicate that two or more instruments should be played together musically.