Complex sentence: Winter's Verge is one of the best-known bands from Cyprus and one of the few artists signed to an international record label and having participated in overseas tours, most notably with Finnish band Stratovarius.
Split into simpler sentences: Winter's Verge is one of the best-known bands from Cyprus and one of the few artists signed to an international record label. They have participated in overseas tours, most notably with Finnish band Stratovarius.