Complex sentence: Live in Unity are concerts held by a Hong Kong Female Singer, Denise Ho (HOCC), on October 26-28,2006 and January 19-20,2007 at the Hong Kong Coliseum, and January 14,2007 at Macau Fisherman's Wharf.
Split into simpler sentences: Live in Unity concert was held by a Hong Kong Female Singer, Denise Ho (HOCC). They occurred on October 26-28,2006 and January 19-20,2007 at the Hong Kong Coliseum, and January 14,2007 at Macau Fisherman's Wharf.