HD-300 Harmony Director
Harmony Director HD-300 can show quickly correct tempo and intonation which is difficult for directors to explain. Through listening sound from HD-300, players can learn their ear and rhythmic sense efficiently. HD-300 will support everybody’s performance to learn fundamental musical technics efficiently and to share the pleasure of music.
Product Information
Features
Recording for interactive study

Recording for interactive study
HD-300 has function to be able to improve active through independent-minded and interactive study. HD-300 can support to draw player’s performance out and to be able to feel the pleasure of music.
User-friendly interface

User-friendly interface
Easy to find a right button even it has more functions. In addition, it is used tactile switches, sliders and a dial to be able to control easily.
Training function to support efficient practice

Training function to support efficient practice
It preset 167 sound sample from JBC Band Method. Practice with JBC Band Method which is sold separately is good for improving fundamental technics effectively.
It can be learned efficiently by individual or section with listening a right pitch and rhythm by automatic performance of HD-300.
“HD-300 Assistant” App to support band directors

“HD-300 Assistant” App to support band directors
iOS and Android App “HD-300 Assistant” are not only be able to control HD-300 remotely, but also be able to use additional functions. It is supportive tool for band directors.
The colors and finishes shown may vary from those on the actual products.
Let's Play Together! 10-minute Basic Training
This is basic training that children can do on their own without a teacher.
By practicing along with the accompaniment track, you can learn not only basic exercises but also important elements for ensemble playing.

10-minute Basic Training Vol.1
Level: 1
Part sheet / full score
Let's download the sheet music first!
Accompaniment track
MOVIES
Practice Points
Mr. Toru Minakuchi
Model Performance
Saitama Prefectural Kumagaya Girls' High School

10-minute Basic Training Vol.2
Level: 2
Part sheet / full score
Let's download the sheet music first!
Accompaniment track
Repertoires
Here is a collection of easy-to-play, copyright-free songs based on well-known, fun, and familiar melodies.
This piece can be enjoyed by brass bands and wind ensembles, and can be played by beginners within a range that is easy to play. These can accommodate a wide range of events, including concerts in the local community, school events, and competitions, so please take advantage of collection.
Michael, Row the Boat Ashore

Michael, Row the Boat Ashore
Rock-a My Soul

Rock-a My Soul
Fanfare

Fanfare
Drum March

Drum March
Ein Männlein steht im Walde

Ein Männlein steht im Walde
Twinkle, Twinkle, Little Star

Twinkle, Twinkle, Little Star
London Bridge Is Broken Down

London Bridge Is Broken Down
Ode to Joy

Ode to Joy
Red River Valley

Red River Valley
Down by the Riverside

Down by the Riverside
Les Anges dans nos Campagnes

Les Anges dans nos Campagnes
For Concert Band / Brass Band / Flexible 4-Part Ensemble
Les Anges dans nos Campagnes
J'ai perdu le do de ma clarinette

J'ai perdu le do de ma clarinette
Mount Fuji

Mount Fuji
Adeste Fideles

Adeste Fideles
For Concert Band / Brass Band / Flexible 4-Part Ensemble
Adeste Fideles
Hänschen klein

Hänschen klein
Mary Had a Little Lamb

Mary Had a Little Lamb
What A Friend We Have In Jesus

What A Friend We Have In Jesus
For Concert Band / Brass Band / Flexible 4-Part Ensemble
What A Friend We Have In Jesus
The colors and finishes shown may vary from those on the actual products.