Hi, Don.  
 
If I understand you correctly: although he had his foot on a pedal, he didn't use it during this tune?  I agree I didn't hear any obvious volume swells but I couldn't say for certain he wasn't using it; maybe the use, if at all, was very subtle (?)
 

Rick / Don, Yes, I spotted that too, heel down full on but, does it really matter whether the guy used a pedal or whatever to accomplish what he wanted to do, I often wondered about the tremolo effect he produced on, I think, Bells of St. Mary's, now, that was something, how does one rock the foot up and down so fast, I use a spring loaded pedal and, I would find it difficult to do that, I've tried it, KU

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I guess I made my first mistake!!!  
 
Aloha,  
Don