Drum Tutorials › Sight Reading Exercises Level 3 Image 1 of 3 Image 2 of 3 Image 3 of 3 Sight Reading Exercises Level 3 £1.99 This 2 page tutorial contains 16 4-bar Sight Reading exercises based on the Rockschool Grade 3 sight reading requirements. Add To Cart Added! This 2 page tutorial contains 16 4-bar Sight Reading exercises based on the Rockschool Grade 3 sight reading requirements.