Complex sentence: In 2010 the aforementioned Mac McKenzie composed and scored his orchestral piece entitled "Goema Symphony number 1", a Cape Jazz piece that was given its debut with a full orchestra in Cape Town in 2011.
Split into simpler sentences: In 2010 the aforementioned Mac McKenzie composed and scored his orchestral piece entitled "Goema Symphony number 1". This is a Cape Jazz piece that was given its debut with a full orchestra in Cape Town in 2011.