Music and radio

First patented by Thomas Edison in 1877 as a "talking machine," it used a tinfoil cylinder to record voices from telephone conversations.

Edison held a monopoly in the recording industry for nine years until telephone pioneer Alexander Graham Bell and inventor Charles Tainter invented an improved audiorecording device, the............, which used beeswax rather than tinfoil.

Developed by inventor Emile Berliner, it used a flat disc rather than a cylinder to record sound.

The history of recorded music involves both technology and artistry, physical changes in the material recording as well as cultural changes in the............of music likely to be recorded.

• category

• industry

• production

• genre

The roots of...............lie in a blend of musical forms, including blues vocalizations; gospel musical structures; urban rhythm and blues (R&B) instrumentals

• pop music

• modern music

• rock and roll

• jazz music

The big...........vehicle for music in the twenty-first century is social media, where artists or their labels can offer their music online or where fans can share the latest music news or talk about their favorite songs and artists.

• performing

• promotional

• business

• platform

The principle that selling a few of many types of items can be as or more profitable than selling many copies of a few items, a pract ice t hat works especially well for on line sellers such as Amazon and Netflix.

• Digital marketing

• Online sales

• personalize marketing

• Long tail marketing

Technologies that let copyright owners control the level of access or use allowed for a copyrighted work, such as limiting the number of times a song can be copied.

Many subscriptions operate on a...........model: Some content is free, but a monthly subscription is required to take advantage of all the site has to offer

There are basically three types of radio broadcasting: amplitude modulation (AM), frequency modulation (FM), and........

• cable radio

• satellite radio

• online radio

• wireless radio