string tension for intermediate player

4:06

4:40

5:24

5:51

کوتاه

3:56

14:07

3:09

11:00

9:57

6:04

6:50

55:57

59:20

59:10

52:50

52:05

44:27

49:36

55:19

48:32

59:15

55:18

41:30

50:10

14:20

2:47

59:12

53:03

47:33

56:25

48:12

49:35

49:26

37:40

2:58

55:51

41:27

53:00

59:06