Voxman Selected Studies Saxophone -
The piece you're likely referring to is from (published by Rubank/Hal Leonard). This book is a compilation of etudes originally written for oboe (by Ferling, et al.), adapted for saxophone.
In the slow studies, technique takes a back seat to tone and phrasing. voxman selected studies saxophone
Usually slower, focusing on tone quality, expression, phrasing, and dynamic control. Why Every Saxophonist Should Study Voxman The piece you're likely referring to is from
For those looking to purchase this book, it is widely available through music retailers as "Selected Studies for Saxophone (Rubank Educational Library)". To help you get the most out of this, let me know: Are you an player? Are you preparing for a specific audition or exam ? focusing on tone quality