The correct pronoun to be used in order to complete the sentence is the pronoun "she". So the complete sentence should be "She was elected to choir office", not the pronoun "it", because the verb "elected" only refers to a person. "It" can't be used to agree with the given verb.
Those bandsmen played faster and harder like their very souls were on the line, and my gimp leg couldn’t keep up. I think it is suspenseful because it has action and you want to know what happens.