why are they silent

7:20

5:13

7:34

12:51

3:32

3:41

4:14

2:16

25:26

51:55

13:07

8:39

11:08

4:53

7:41

24:37

19:39

8:03

2:23

1:39

15:15

55:50

53:45

18:46

2:45

8:18

28:43

12:47

1:17:04

9:41

1:55

19:53

3:11

3:48

3:22

6:50

00:38

2:04

1:30:38

1:14:07

6:24

29:04

7:19

5:29

5:52

5:11

00:39

4:51

6:19

3:01

13:07

9:18

2:42

10:31

2:32

20:46

8:39

11:21

2:16

1:45