Ο μουσικός δουλεύει στο στούντιο.

Ο is the masculine singular definite article, so it means the.

In ο μουσικός, it shows that μουσικός is:

• masculine
• singular
• the subject of the sentence

So ο μουσικός = the musician.

Here, μουσικός is a noun meaning musician.

Greek learners often notice that this word can also look like an adjective form. That is true: related forms can mean musical in other contexts. But in this sentence, with the article ο, it is clearly being used as a noun: the musician.

A useful extra note:

• ο μουσικός = a male musician
• η μουσικός = a female musician

Greek often omits subject pronouns when they are not needed. This is very common.

The verb form δουλεύει already tells you the subject is:

• 3rd person
• singular

So Greek does not need to say he or she unless the speaker wants emphasis or contrast.

That means:

• Ο μουσικός δουλεύει... = The musician works...
• You do not need a separate word for he/she here.

Δουλεύει is the present tense, 3rd person singular form of δουλεύω (to work).

So it can mean:

• he works
• she works
• it works

In this sentence, because the subject is ο μουσικός, it means:

• the musician works
• or, depending on context, the musician is working

It can mean both.

Modern Greek often uses the simple present where English may use either:

• works for a general fact
• is working for something happening now

So Ο μουσικός δουλεύει στο στούντιο could mean:

• The musician works in the studio
• The musician is working in the studio

The context usually makes it clear.

Στο is a contraction of:

• σε = in / at / to
• το = the (neuter singular)

So:

• σε το → στο

This is very common in Greek.

In this sentence:

• στο στούντιο = in the studio / at the studio

A useful grammar point: after σε, Greek normally uses the accusative case. Here you do not see a change in the noun’s form, because στούντιο looks the same in nominative and accusative.

Στούντιο is a borrowed word, originally from studio.

In Modern Greek, it is usually treated as a neuter noun:

• το στούντιο = the studio
• στο στούντιο = in the studio

It often does not change much in form, especially in the singular, so it is fairly easy for learners.

The sentence as written has a very normal, neutral word order:

• Ο μουσικός = subject
• δουλεύει = verb
• στο στούντιο = place phrase

So the basic pattern is:

• Subject + Verb + Location

But Greek word order is more flexible than English. You can move parts around for emphasis. For example:

• Στο στούντιο δουλεύει ο μουσικός.

This still means the same thing, but it emphasizes the studio more.

So the original order is natural and standard, but not the only possible one.

The written accent marks show you where the stress goes:

• μουσικός
• δουλεύει
• στούντιο

So the stressed syllables are:

• mu-si-KOS
• dou-LE-vei
• STOU-ntio

A rough English-friendly pronunciation would be:

• o moo-see-KOS thoo-LEV-ee sto STOON-dee-o

Two helpful pronunciation notes:

• ου sounds like oo in food
• δ sounds like the th in this, not like English d

Because the Greek sentence has the definite article ο, it specifically means the musician, not just a musician or musician in general.

Greek uses articles very regularly, and they often appear where English learners might not expect them.

So:

• ο μουσικός = the musician
• ένας μουσικός = a musician

In this sentence, the speaker is talking about a specific musician, not musicians in general.