A quick reference to help learning musical notation. It includes these sections: Key Signatures: With Learn Mode off pressing a key signature button shows the associated key signature. Withlean mode on, you must press the correct Key Signature button after which you will be given anew Key Signature to find. Sight Reading Practice: Select the Key Signature you are interested in and then press the correct keyboard key for the displayed note and you will be given a new note to find. Basic Triad Identification: Select the Key Signature you are interested in and then press the correct Roman Numeral Triad ID for the given triad and you will be given a new triad to identify. Ear Note Training: The app plays a note in the selected key / clef. You try to identify the correct note by tapping the correct key on the keyboard. Basic Music Notation Symbols: Select a symbol from the List View and the selected symbol and a short description of the use will be displayed.