Key of F Major: Scale Notes, Including B♭

One final example. The key of F major includes one flat in the scale, F-G-A-B♭-C-D-E-F. Since it's a major key, the order of intervals is:

To do this, you have to flatten scale degree 4. Now you have B♭ instead of B, which preserves the major mode order of intervals.

And here’s the scale you get (Figure 36):

FIGURE 36: F Major Scale Notes