Terms and Definitions
Allegretto non troppo- Moderately fast tempo between allegro and moderato, but not too much
crescendo- A directive to a performer to smoothly increase the volume of a particular phrase or passage
diminuendo- A directive to a performer to smoothly decrease the volume of the specific passage of a composition
poco ritardando-- A directive to perform a certain passage of a composition with a ritard the tempo, to gradually delay the tempo little by little.
a tempo- An directive to return to the original tempo after a deliberate deviation
crescendo poco a poco- A directive to a performer to smoothly, and little by little increase the volume of a particular phrase or passage
Misterioso- A directive to perform a certain passage of a composition in a mysterious manner; mysteriously.
Soli- A directive to perform the indicated passage of a composition with an entire section of an ensemble as opposed to the directive solo where only one member of the section performs.
Taken from: http://dictionary.onmusic.org/
