Sentence:  As he leads the Neurenschatz Skolkau Orchestra , Schlek gives a tremendously inspired performance of both the Baslot and Rattzhenfuut concertos , including the controversial Tschilwyk <WSD>cadenza</WSD> , which was included at the conductor 's insistence . 
Meaning of the word marked with <WSD> tags:  a brilliant solo passage occurring near the end of a piece of music