Complex sentence: The music of Autumn Breeze has by critics, rewievers and music historians been characterized as prog rock, progressive rock music and synphonic rock music, however without political lyrics which were very common during the 1970s and 1980s in Sweden.
Split into simpler sentences: The music of Autumn Breeze has by critics, rewievers and music historians been characterized as prog rock, progressive rock music and synphonic rock music, however without political lyrics. Political lyrics were very common during the 1970s and 1980s in Sweden.