All about Rock and roll

What is the tempo of Rock and Roll music? Is it slow, medium or fast?

Rock and roll songs often have a strong beat to make people want to a) cry b) sleep c) dance

When did the Rock and Roll start?

Was the Rock and Roll music popular with young or older people?

Who was called the King of Rock and Roll?

Which instrument often plays a “solo” in Rock and Roll songs?

In what country did Rock and Roll start?

What are Rock and Roll songs usually about?