This series of range and technique studies was written to assist the serious trumpet player meet the demands and requirements placed upon him in this modern day and age. Results are attained through intelligent, consistent and countless hours of practice. Correct thinking is the basic requisite for every level of accomplishment. The thinking period should precede the actual playing of the instrument. The proper approach is to think of how it is to be played and what elements are involved to playit successfully. Comments are made at the beginning of each series to serve as a reminder of proper procedures and playing techniques... (excerpt of Preface by Irving R. Bush).