I'm writing a song around the 12-bar blues format. However in my verse, I need the following chord progression for it to sound right:
|I |IV7 I |I |I |IV7 |IV7 |I |I |V I7 |IV7 |I7 |V7
I'm referring specifically to the
I in the second half of the second bar and the
I7 in the second half of the ninth bar seems. I believe this is a "quick-to-four" progression (with the
IV in the second bar), but I don't know if the changes in the middles of the bars are acceptable variations. If not, is there a better way I can achieve the same or similar sound using another chord?
Sorry if this is a stupid question, I like blues but I'm terrible at understanding the theory of the chords.