Complex sentence: He has traveled extensively both to perform as a musician and conductor and as a guest speaker at international events, such as the 28th International Conference of the International Society for Music Education to be held in Bologna, Italy in July, 2008.
Split into simpler sentences: He has traveled extensively both to perform as a musician and conductor and as a guest speaker at international events. He is scheduled as a guest speaker at the 28th International Conference of the International Society for Music Education to be held in Bologna, Italy in July, 2008.