The short answer is that I didn’t imagine the faster riffs from an IFR standpoint.
Longer answer is that I didn’t know which note I was playing. However, I believe I had some level of awareness and control over the notes chosen for these riffs. For instance, because these were repeating patterns, the first time I may have “let my fingers” choose the notes. After playing the pattern again, because I knew then exactly how it sounds, I feel I was taking the control over my fingers, if that makes sense. But that’s not the IFR type of awareness.
I am still working on understanding how I function, to connect painlessly my imagination to my playing. For instance, I’m pretty sure than even for the slow parts in this recording, I’m not freely imagining the notes I am playing. I am aware of the notes I’m playing, as demonstrated by me singing the numbers. However, I realized that for me, singing the numbers makes it more difficult to freely connect my imagination to my playing. It seems that humming the note (and knowing the number in my mind) works better for me. In my case, the added emotion/sensation generated by singing the numbers is disconnected from the feeling of the note I have when I imagine this sound. What I imagine is the “pure”, “naked” sound, characterized by it’s feeling, or sensation. Singing the number complexifies the sensation. It doesn’t feel like the sensation I am imagining and therefore disconnects me from the actual flow of notes I’m imagining. Now, singing the number seems to be successful with me for learning the sounds, as practice exercises, like the Sing the numbers tracks from IFR.