Like said, if you look at the notes, you'll see that it's a fusion of major and minor scales. For the I7, IV7, V7 progression starting from C, you have to combine the C major and C minor scales to get all the notes.
View post (A Question concerning the I, IV, V progression)
View threadLike said, if you look at the notes, you'll see that it's a fusion of major and minor scales. For the I7, IV7, V7 progression starting from C, you have to combine the C major and C minor scales to get all the notes.