Questions & Answers about Радио играет музыку.
Because музыку is in the accusative case.
In Russian, the direct object of the verb (the thing that is being acted on) goes into the accusative.
- Dictionary form: музыка (nominative, “music” as the subject)
- Direct object form: музыку (accusative, “music” as the object)
Here, the radio is doing something to the music (playing it), so:
- Радио – subject (what is doing the action)
- играет – verb
- музыку – direct object (what is being played, accusative case)
Радио is grammatically neuter, but it is also indeclinable (it does not change its form in different cases).
- It ends in -о, which is a common ending for neuter nouns.
- You will see it used mostly in the same form: радио, regardless of its role in the sentence.
Examples:
- Радио играет музыку. – The radio is playing music.
- У меня есть радио. – I have a radio.
In both, the word радио looks the same; the case is understood from context and from the rest of the sentence.