Level 4 study

You are probably tired of hearing this same question I assume. I am beginning Level 4 and am looking at what approach to use, ie., bending study song, tongue block song, etc..  I was considering starting with the Bending Study Song 2.5 because it seemed to "bridge" level 3 into level 4.  I also notice that with Ryan Walker this appeared to be his first lesson, followed by the tongue blocking study, and followed by the bending study.  I was curious from a progression from level three if this is a good order to follow to incoporporate the new techniques or is there a better order that would allow a better transition?

Thank you

Terry