heifetz teaching

2:28

13:37

12:35

5:21

7:08

2:26

2:05

9:20

6:13

11:52

8:40

4:20

4:24

26:28

3:30

8:40

9:54

5:21

4:24

4:55

2:51

2:40

2:43

12:35

5:58

3:00

22:34

11:34

25:41

21:00

8:56

20:46

24:20

23:49

21:24

29:52

21:14

17:39

12:39

7:05