Phrase a musical sentence
Half step one key to the very next key
Whole step made up of two half steps
Fermata Hold the note longer than its value
Allegro Fast and lively
Andante Walking speed
Ledger line A short line added above or below the staff for notes that are too high or too low to be written on the staff.
Arpeggio the tones of a chord played up or down the keyboard.
Pianissimo very soft