Four's a Crowd focuses on the notes played by the fourth finger on each of the violin strings. It is a part of the series of companion books to Gum Drop Sheet Music.Be sure to try all of the books. 'Know Your Strings', Beginner Bowing Book', 'The Fickle First Finger', 'One Two Buckle My Shoe', 'Three's Company', 'Four is a Crowd'. The tunes in the books concentrate on one finger at a time, one note at a time. The Scales Aren't Just a Fish Thing Method is 'one bit of information at a time', 'Igniting Sleeping Brains'. This series of six book takes the student from open strings to 'Flight of the Bumblebee'.