Sentence:  The crowd staged its own mad scene in salvos of cheers and applause and finally a standing ovation as Miss Sutherland took curtain call after curtain call following a fantastic `` Mad Scene '' created on her own and with the <WSD>help</WSD> of the composer and the other performers . 
Meaning of the word marked with <WSD> tags:  the activity of contributing to the fulfillment of a need or furtherance of an effort or purpose