How many bass players has Metallica had?
4
2
3
2
3
2
3
2
3
2
4
3
2
4
3
2
4
3
1
2
4
3
1
2
4
3
1
2
4
3
1
2
4
3
1
2
5
4
3
1
2
5
4
3
1
2
5
4
3
1
2
5
4
3
1
2
5
4
3
1
2
5
4
3
1
2
5
4
3
1
2
5
4
3
6
1
2
5
4
3
6
1
5
0
4
6
1
5
4
0
6
1
5
4
6
1
0
5
4
6
1
5
6
1
7
5
6
1
7
5
6
7
5
6
7
5
6
7
8
5
6
7
8
5
6
7
8
6
7
8
6
9
7
8
6
9
7
8
6
9
7
8
6
9
7
8
6
9
7
8
6
10
9
7
8
11
10
9
7
8
11
10
9
7
8
11
13
12
10
9
7
8
11
13
12
10
9
7
8
11
13
12
10
9
7
8
11
13
12
10
9
7
8
11
13
62
66
62
66
128