teoría musical
| ID (hidden) | ¿Qué intervalos son consonantes imperfectos? |
| Header | Terceras y sextas. |
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| ID (hidden) | ¿Qué intervalo hay de Do a Sol? |
| Header | Quinta justa. |
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| ID (hidden) | ¿Cuántos semitonos tiene una tercera menor? |
| Header | Tres semitonos. |
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