An Idiophone. It is a the instrument that produces sound by being struck, scraped or shaken.
I would say it is the third one down (visit the restaurants in the same trading area) because that is the only one where you gain the knowledge first hand. When you have middle men (people writing online, people who have visited the restaurant themselves, or members of the BBB) there can be a bias as they may claim the competition is better when it is not for personal gain.
that kind of paper does indeed produce high quality photos, but im not 100% sure its the right answer, but i really do think it is
The rock group is Mount Rushmore!