Books # 2

http://books.google.pt/books?id=nmA7d7kjynoC&pg=PA235&dq=Musical+Performance+%E2%80%93+A+Guide+to+Understanding&hl=pt-PT&ei=7R6zTJKXFYfFswb9lrmvDQ&sa=X&oi=book_result&ct=result&resnum=8&ved=0CFEQ6AEwBw#v=onepage&q=Musical%20Performance%20%E2%80%93%20A%20Guide%20to%20Understanding&f=false

E ainda outro:

http://books.google.pt/books?id=nmA7d7kjynoC&pg=PA235&dq=Musical+Performance+%E2%80%93+A+Guide+to+Understanding&hl=pt-PT&ei=7R6zTJKXFYfFswb9lrmvDQ&sa=X&oi=book_result&ct=result&resnum=8&ved=0CFEQ6AEwBw#v=onepage&q=Musical%20Performance%20%E2%80%93%20A%20Guide%20to%20Understanding&f=false