Key Of B Major...
 
Key of:    B Major
 
        7 Tones in key:              B, C#, D#, E, F#, G#, A#        (I, ii, iii, IV, V, vi, vii)
        3 Primary Chords:         B, E, F#                                   (I, IV, V)
        3 Secondary Chords:     C#m, D#m , G#m                    (ii, iii, vi)
        Dominant 7th chord:      F#7                                          (V7)
  Danman says..."Check out the chart"...B Major 
 

Scale Step	Root	3rd	5th	Chord Type
I	B	D#	F#	Major
II	C#	E	G#	Minor
III	D#	F#	A#	Minor
IV	E	G#	B	Major
V	F#	A#	C#	Major
VI	G#	B	D#	Minor
VII	A#	C#	E	Diminished