Complex sentence: They've been touring in France where they've been at Printemps de Bourges and twice at Rock en Seine, UK, Belgium, Germany, Italy, Switzerland and they had an asian tour in 2014 playing China, Taiwan, Japan.
Split into simpler sentences: They've been touring in France where they played Printemps de Bourges and twice Rock en Seine. They also toured in UK, Belgium, Germany, Italy, Switzerland and they had an asian tour in 2014 playing China, Taiwan, Japan.