[Avodah] Early morning minyan

[Micha Berger]

On Thu, Jan 29, 2009 at 04:13:00PM +0200, D&E-H Bannett wrote:
: As yishtabach is the b'rakha ending of pesukei d'zimra it 
: sounds more correct to switch afterward.   However, the old 
: minhag, and minhag of many to this day, is that there  is no 
: standing chazan for pesukei d'zimra.  The chazan goes to the 
: teiva before yishtabach so the kahal can answer Amen at the 
: end of pesukei d'zimra....

Can I flip this around into a question?

Shabbos morning, the Chazan will start at "Shochein Ad". How is the
berakhah hasumekhah lechavertah nature of Yishtabach preserved? (Why
doesn't this necessitate adding a "Baruch atah..." to the front of it?)

Tir'u baTov!
-Micha