how to change guitar string

11:04

6:08

6:08

8:43

5:09

6:15

13:09

7:03

7:48

10:28

10:28

9:37

2:43

15:45

7:06

7:21

1:19

3:07

2:12

1:07

6:05

6:11

5:00

2:21

25:09

53:33

52:40

2:12

10:25

8:49

10:06

49:42

کوتاه

3:07

کوتاه

1:32

6:05

52:14

7:17

10:54