Answer: Jazz I believe that Bing Crosby will be remembered as a "crooner" I would think his genre would be "American pop" rather than jazz.Bring to light an interesting point about how some music transcends its genre and becomes a "standard"
Answer: They are hockey players. Crosby is the young phenom from Canada who is said to be the next Wayne Gretzky. He plays forward for the Pittsburgh Penguins. Martain Brouder is one of the best goaltenders in the world by leading most records for a goalie he also plays for the new jersey devils.
Answer: This is a very important piece of sports history as Sidney Crosby is the biggest name in North American sports. The hat is worth 5,000$ and will just increase in value as Sidney becomes a bigger legend than he already is
Answer: It depends on what company and how rare the card(s) is. I got a card pack that featured him in it and it was only about $2. If the ratio is extreamly high when it is compared to normal hockey player cards, the price will be higher because there are only so many prints of the exact card. Hope this helps.