英和和英

B major (uncountable)

(music) The major key with B as its tonic, with the notes B, C♯, D♯, E, F♯, G♯, and A♯, the key signature of which has five sharps.

${\key b \major b cis' dis' e' fis' gis' ais' b'2}$
(music) The major chord with a root of B.

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