Image 1 of 1 25 Progressive Studies for New Tenor Trombone Players. Treble Clef £9.99 The 25 studies in this book range from music suitable for a beginner and progress through to Grade 5 standard. As the studies progress essential musical theory is introduced and explained and is then included in the studies that follow.This book has a slide position chart for the tenor trombone covering all the notes used in the studies. Quantity: Add To Cart Added! The 25 studies in this book range from music suitable for a beginner and progress through to Grade 5 standard. As the studies progress essential musical theory is introduced and explained and is then included in the studies that follow.This book has a slide position chart for the tenor trombone covering all the notes used in the studies.