Andante is a musical term that describes a moderately slow TEMPO, usually between ADAGIO and allegro. Tempi is an Italian word meaning 'TIME' and is used to describe the speed of a piece of music. TEMPO is another Italian word meaning 'TIME' and is used to describe the speed of a piece of music. ADAGIO is a musical term that describes a slow TEMPO, usually slower than andante. Slower is an English word that describes a TEMPO that is slower than the one previously mentioned.