I didn't know pianosinger had done a test. Kewl.

1.b
2.a
3.?b
4.B
5.a
6.?b
7.b
8.b
9.a
10.A
11.B
12.a

Alpha NT 4
Alpha SF 2
Beta ST 0
Beta NF 0
Gamma SF 1
Gamma NT 0
Delta NF 4
Delta ST 4

Alpha 6
Beta 0
Gamma 1
Delta 8