Violin 

GuitarFreak will teach every chord in the 14 positions that Jazz Guitarists use (in pictoral form). See a list of scales for every chord in every position, hear them - A list of Chords for any Scale in triads, 4-notes chords and every other chord.......

ear training, sight reading, and music theory applied to piano, guitar, violin, viola, cello, and bass - MusicGoals offers study, practice, and testing to improve skills, gain knowledge of instruments and music theory, and train the musical ear. This......

The Holy Grail for the Musician - develop Absolute Recall on your Guitar! Tests prove that this method will work. for only pennies you can develop the mysterious art of being able to play any note that you hear (whether in your mind, from a recordi......

 Violin