Tie - A curved line over or below two or more notes of the same pitch. The first pitch is sung or played and held for the duration of the notes affected by the tie.
Allargando, allarg - Slowing of tempo, usually with increasing volume; most frequently occurs toward the end of a piece.
Circle of fifths - The succession of keys or chords proceeding by fifths.
Dolce - Sweetly.
Mi - In solmization, the third degree of the major scale.