Metamorphosis is the process of change from one form to another. We typically think of it as the transformation of a caterpillar into a butterfly. But other things can change so that they end up completely different from their original form.

I originally had a very different concept for this piece, but as it developed, something completely new emerged. As much as I tried to force it into my original intent, it stubbornly went its own direction.

Musically, it is an exercise in transitions. Three sections flowing one after the other as the metamorphosis progresses, each stage building upon the previous.

I purposefully limited myself to trombones, trumpets, a sax, and rhythm throughout the entire piece, forcing me to be more creative with the horns.

Preview / Buy Book

I really like this interesting and well-disposed book. So many good thoughts, facts and tips on alto trombone. Good guidance for the searching alto souls out there. A must-have for the shelves.

– Håkan Björkman, Principal Trombone at Swedish Radio Symphony Orchestra

I highly recommend Alto Trombone Savvy for players around the world wanting advice on handling the alto trombone at the highest level. Classical and jazz players both share the same challenges, and it’s great to have this book in either bass or alto clef to help answer some of those challenges.

– Carsten Svanberg, International Trombone Soloist and Professor of Trombone at the University of Music and Arts Graz

For anyone interested in learning to play the alto trombone, whether for classical or jazz, this book is a must. Clearly written, with excellent exercises and links to audio examples, Michael Lake has provided the trombone world with a wonderful new resource.

– Ralph Sauer, Former Principal Trombone, Los Angeles Philharmonic

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