Give the 20th century music.

Net  the suffix is your .com/.net/.org, and so on, i believe

Photography has changed its subject matter quite a lot over the past few years. in the 1800's, it was considered normal for families to have  post mortem photos of their loved ones, and now that would be completely unacceptable. i think that photographers have always pushed boundaries and have been eager to capture everything, it is just society that changes their boundaries.

Pop music is music that is popular made by popular artists

Riffin tells a story about photographing elephants in a wildlife sanctuary in africa. he says that the photographer brought back more than just an amazing story.