The Electric age begins with the end of acoustic recordings and beginning of motor-driven, electric recordings. Amplification and radio also played a part. Stylistically, due to [[America]]'s standing in the world immediately after the First World War, [[jazz]] and [[blues]] became popular worldwide although [[harmony|harmonically]] speaking, jazz and blues have their roots in the late Romantic. | The Electric age begins with the end of acoustic recordings and beginning of motor-driven, electric recordings. Amplification and radio also played a part. Stylistically, due to [[America]]'s standing in the world immediately after the First World War, [[jazz]] and [[blues]] became popular worldwide although [[harmony|harmonically]] speaking, jazz and blues have their roots in the late Romantic. |