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| klassiek | |||
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| Klassiek (One of the music genres that appears under Genre classification in Windows Media Player library. Based on ID3 standard tagging format for MP3 audio files. ID3v1 genre ID 32) | |||
| classical: 10 phrases in 5 subjects |
| Antennas and waveguides | 1 |
| Electronics | 1 |
| General | 1 |
| Health care | 4 |
| Mathematics | 3 |