Ionian mode

uncountable

(music) A mode that is the same as a major key, with the interval pattern:

Japanese Meaning

（音楽）イオニアン・モードは、長調と同じ音階パターンを持つ音階を指します。

When composing a bright, uplifting song, many guitarists choose the Ionian mode for its familiar major-key sound.

明るく高揚感のある曲を作る際、多くのギタリストは馴染みのある長音階を選ぶ。

Sense（1）

(music) A mode that is the same as a major key, with the interval pattern:

tone - tone - semitone - tone - tone - tone - semitone.