Regarding the Central Park Hoodie! You are not too late to begin the CPH! We just had a new CPH knitter sign on today! She is getting her yarn this week! I will continue to follow the CPH-KAL until people get tired of it! So by all means, when you are ready, I'll be there!
Regarding the band: oh I wish I could sit by you and show you! It is one of those things that is sooo hard to describe.
But here goes: Let's say your yoke is by your left hand and your neckband 5" is by your right hand. Now, cuddle the edge of the yoke up next to the neckband. The RS of the neckband is facing you.
Then....rib 10 out of 11 neckband stitches. [You will be ribbing in the direction of the yoke.] When you get to the 11th stitch of the neckband, instead of just knitting it...perform an SSK with it and 1 stitch from the yoke. (that SSK Is what joins the neckband and yoke together!).
Then.....turn your neckband to the WS, and rib back.
Then....turn your neckband to the RS, and rib those 10, SSK the 11th stitch with another stitch from the yoke.
Repeat these two RS/WS steps until all of the yoke stitches have been joined to the newly created neckband. The neckband is created as it's attaching itself to the yoke on that RS 11th stitch.
Hope this helps!
Now, I have heard that some knitters have cuddled their neckband up next to the yoke so that the SSK (or K2T) will be performed from the WS...but that is ok, too. Just so long as you join that 11th neckband stitch to a live stitch of the yoke.
Don't get thrown off if your neckband placement seems like it should be joined (SSK'd OR P2Tog'd)with the WS row facing (instead of a RS row like I did.)
The principle is the same, whether from the WS or the RS.