Jazz Session Practice

DS soft

About this app

① It is possible to generate chord progressions based on about 30 types of parameters. It can be used for ``improvisation practice based on chords,'' ``composition support,'' or ``jazz lessons.''
In addition, the parameters you create and the resulting chord progression can be saved and reproduced at any time.

②You can generate new chord progressions by reharmonizing them based on the chord progressions of jazz standard numbers.
Based on a familiar song, you can check the effect of reharmonization, make changes to arrange the song, and use it for an improvisational approach.

③You can have sessions with bassists who have over 100 different characteristics (habits). In addition to the chords created in ① and ②, sessions can be performed using jazz standard numbers (more than 150 preset songs).
By playing with bassists with various quirks, you can get an opportunity to think about grooves, develop your ability to play while listening to surrounding sounds, and develop your ability to respond to ensembles.

④You can create bassists with various performance characteristics by specifying about 50 parameters, and then have a session with them. This allows you to better understand ``groove'' and ``swing,'' see how bass tones affect an ensemble, and explore bass note approaches.
Additionally, bassist parameters can be shared, so you can deepen your understanding not only with yourself but also with your friends.

What’s new

過去の更新履歴はアプリトップ画面の右上のバージョンをタップすることで御覧になれます。
2026/3/22
　ベーシストの個性が一部反映されなかった問題を修正
　音質を改善、演奏の拍ずれを解消
　ベースラインのストリーミング再生に対応
　英語対応（デフォルト言語を英語にし、デバイスが日本語のときのみ日本語になるようにしました）
7/12　安定化
7/3 　API35対応
7/7 240 UI微修正
6/26 238 次数ごとの倍音の振幅比率をパラメータ化
6/26 237 キャラパラメータ修正
6/25 236 音色不具合修正
6/23 235 開放弦の共振・リバーブのオンオフスイッチを追加
6/20 232 キャラパラメータ補正
6/19 229 演奏データ作成進捗をパーセント表示にした
6/18 228 演奏パラメータ修正、雨に関係する楽曲を追加
6/17 227 バグ修正、音色を改善
2023/12/17　1　初版