"My harmony is passable but is usually made more eloquent at the hands of Steve Hamilton"

Bill Bruford is commending the music talents of Steve Hamilton in this quote. He is claiming that his very own music consistency is passable, but that Steve Hamilton is able to make it a lot more significant. This suggests that Steve Hamilton has a special ability for producing lovely music, and that he is able to take Bill Bruford's passable harmony and also make it something really special. It is a testimony to Steve Hamilton's ability as an artist, as well as it is clear that Bill Bruford has a large amount of regard for him. This quote is a wonderful instance of the adoration and also gratitude that can exist in between 2 musicians.