Crossword puzzle clue "what this puzzle's three longest entries are all about"

What this puzzle's three longest entries are all about?

2015 Flo Rida hit whose letters can be found sequentially in this puzzle's three longest entries

"Awesome!" addition to this puzzle's three longest entries

Sales person's forte, and a synonym for the ends of this puzzle's three longest entries

Sophomoric grade found in this puzzle's three longest entries

Link buried in this puzzle's three longest entries

2006 Disney film, and the ends of the eight longest entries in this puzzle

Appliance that produces the first words of the answers to this puzzle's longest entries