This product is a music book titled "JAZZ IMPROVISATION treble clef instrumental vocal MAKING THE CHANGES" published by HAL LEONARD PUBLISHING. It is likely a book focused on teaching jazz improvisation techniques for instrumental and vocal musicians, with a focus on making changes and improvising in a jazz context. The treble clef notation indicates that the book is likely tailored for musicians who read in treble clef, such as instrumentalists and vocalists. It is a valuable resource for musicians looking to expand their improvisational skills within the jazz genre.
eBay