This is The Russian Numberer. It starts of with some morse code, then a Russian woman speaks some numbers: 20 5 19 20 9 14 7 13 5 19 19 1 7 5 4 5 3 15 4 5 21 19 9 6 25 15 21 3 1 14 23 5 1 18 5 20 8 5 1 14 19 23 5 18 9 12 12 21 13 9 14 1 20 9 7 15 15 4 2 25 5

TRANSLATED:

T-E-S-T-I-N-G-M-E-S-S-A-G-E-D-E-C-O-D-E-U-S-I-F-Y-O-U-C-A-N-W-E-A-R-E-T-H-E-A-N-S-W-E-R-I-L-L-U-M-I-N-A-T-I-G-O-O-D-B-Y-E