How do get Db dim?

1

Hi… just building a prgression… F, Ddim and want to go to… Dbdim, but can not work out how!? Can anyone help please?

2

What key are you in?

3

F Just doing a simple progression

F, D dim, Db dim, Dm, F

4

4558b56d075259cb76b786e0d1ed249c8e0d423e12b.jpg1914×1015

5

Hi and many thanks for your time!

I did try these, but don’t really understand how they work!?

But… you solved my problem, so thanks again!

6

If in key of Fmajor, ddim is borrowed from dorian mode (f dorian 6 is a vi rather than f minor’s VI). it has to be borrowed.

c#dim is a non diatonic chord when working in the context of Fmajor. it needs to be pulled from non-diatonic box on right.