1967: Romanticized movies of teen rebellion give way to upbeat musicals extolling a life of beach parties, fast cars, and teen relationships.

1990s One of the most popular genres for teens is the horror movie, in which a group of teens is pitted against a homicidal maniac. The 1996 film Scream becomes one of the top grossing releases of the year, earning over $100 million in box office receipts

1967: The Beatles lead the "British Invasion" of American music as they dominate the pop charts. Their album Sgt. Pepper's Lonely Hearts Club Band uses several experimental recording techniques and influences countless pop and rock artists.

1990s: Popular music has broken down into countless genres, with no one type dominating the market. Rap, "alternative," rhythm and blues, pop, rock, and movie soundtrack albums all reach number one at various times during the decade.

1967: Dropout rates show a sharp increase...