• What is jazz

    What is most important thing in jazz music? What makes jazz music so unique? Is it improvisation? Certainly not, because improvisation

  • Hiro's Jazz Theory Book Cover

    Hiro’s Jazz Theory Book Download

    Click to download “Hiro’s Jazz Theory” book

  • What is jazz theory for?

    Jazz music theory certainly isn’t the most important thing to play jazz music. Most of the times it even doesn’t help playing since you don’t have enough time to think theory when you are sight reading the chart on stage.

  • What is avoid note?

    While 6th note of Dorian and 4th note of Mixo has special reasons in their avoid note (refer to my

  • What is Altered?

    I often hear students plays practiced altered dominant scales. I hear some schools teach melodic minor scale starting half step above the root of the dominant chord (theoretically no justification on this explanation). I strongly against students to practice improvisation with scales especially when altered dominant (and diminished chord). I will try to explain why understanding what altered dominant let you blow cool phrases.

  • How to run a cool improvisation on a diminished chord™

    You practice diminished scales. You play the practiced scale on your improvisation. Unless the material is Brazilian music, which calls for

  • Clearance Accident

    Low Interval Limit

    Low Interval Limit is a concept that defines the lowest pitches at which intervals can be clearly perceived without sounding

  • ranges

    5 Horn Arranging Range Chart (concert)

  • Sight Reading Tips

    These are the ideas of how to practice shight reading skills. Explained with 4 separate sections: Rhythms, Pitches, Changes, and Transpositions.