The tonic in D major is D.
The leading tone in the key of D, whether major or minor, is C#.
Mi is the 3rd of the scale. In B-flat major, it's D.
D major is D E F# G A B C# D.
ALL FLAT KEY SIGNATURES include a Bb, these are:F Major/D minorBb Major/G minorEb Major/C minorAb Major/F MinorDb Major/Bb MinorGb Major/Eb MinorCb Major/Ab MinorThe reason for this because the order of flats in a key signature is B, E, A, D, G, C, F. From the example above you can see that B-flat (Bb) comes first.
The leading note of Db major is C.
D.
Technically speaking, D sharp major is: D#, E#, F* (F double Sharp,) G#, A#, B#, C* (C double sharp) D#. ***note: a double sharp (*) means that the note sounds a whole step above the principal note. For example: F*=G.
The tonic in D major is D.
The dominant note for D major and D minor is A.
The subdominant note is D in an A major scale
The supertonic triad in the key of A flat major is B flat, D flat, and F natural
The next note above a D is always an Eb.
The leading note of Db major is C.
D sharp and E flat
D major isn't actually a note. D major is a major scale based on the note D (D natural) and the scale has two sharps (F sharp and C sharp). There isn't anything special about D major since it requires both an F sharp and a C sharp, the most 'special' scale is C major since there are no flats or sharps needed.
There are several 'D' notes playable on a violin:the standard tuned note of the second open string is the 'D' above 'Middle C';you can play the 'D' above that on the third string (the 'A' string);the next 'D' above that is playable on the 'E' string...