What secular performance technique is similar to responsorial psalmody?

What refers to the distance between two sound frequencies or pitches?

Stanley, an art historian specializing in european history, wrote a critique of this painting for a newspaper. in a part of the critique, he wrote, “the overall effect of the work suggests that the artist understands the romance of venice and its boating culture.” which step of the critique does this statement represent?

Which camera process came before the daguerreotype