How many different keyboard players were official members of the Grateful Dead?
5
3
3
3
2
4
3
2
4
3
2
4
1
3
2
4
1
3
2
4
1
3
2
4
5
1
3
2
4
5
1
3
2
4
5
1
3
2
4
5
1
3
2
4
5
1
3
2
4
5
1
3
2
4
5
1
3
2
4
5
1
3
2
4
5
1
3
2
4
5
6
1
3
2
4
5
6
1
3
0
2
4
5
6
1
3
2
0
4
5
6
1
7
2
4
5
6
1
7
2
4
5
6
1
7
5
6
1
7
5
6
1
7
5
6
7
5
6
7
8
5
6
7
8
6
7
8
9
6
7
8
9
6
7
8
9
6
7
8
9
6
7
8
9
6
7
8
9
6
11
7
8
13
9
6
11
7
10
8
13
9
6
11
7
10
8
13
12
9
11
7
10
8
13
12
9
11
7
10
8
13
12
9
11
7
10
8
13
12
9
11
10
8
13
12
ONE
ONE
62
66
61
102