The new music was built out of three forms of music already in existence.

Rock'n'roll with its strong beat, was popular among the young people.

The Beagles were a famous rock group in England.

The modern music stresses the audience's participation in the performance.

Electronic amplifiers made music penertrating.

This chapter deals with the transformation of thermal energy into power.

A group of people gathered spotaneously at scene of accident.

This quarrel originated from misunderstanding.

The army took over the city after 1949.

You should not take on too much work for the sake of your health.