maximizing gain before feedback

2:52

4:02

3:21

2:58

3:56

2:55

3:49

3:35

3:15

2:53

1:06:59

1:16

3:03

59:29

6:17

3:29

9:18

2:04

1:07

59:29

46:16

46:16

3:03

20:04

19:19

2:55

45:18

11:18

46:12

1:02

کوتاه

کوتاه

5:29

10:30

4:39

کوتاه

7:51

3:21

کوتاه

6:43