Some congregational responses are of the "highest level"; required except in special circumstances, like during sh'mone esrei, in the beginning of krias sh'ma, and in the middle of a short bracha. ...
As an extension of this question: When I daven and am still davening when the shaliach tzibbur repeats shmoneh esrei, I know I am supposed to stand quietly during kedusha and continue with my ...
On shabbat for shacharit and mussaf, I am usually still davening shmoneh esre by the time the chazzan gets to kedusha. In this situation, can I hum to the tune of kedusha? This essentially boils down ...
Can you respond to קדושה if you are not already done with your own ש''ע? I heard that you can if you are past a certain point after שים שלום/שלום רב. I just want to know if that's true and, if so, ...