المغني عالمسرح.

In Levantine Arabic, the present-tense verb to be is usually not stated.

So المغني عالمسرح is literally something like the singer on-the-stage, but it naturally means The singer is on the stage.

This is very normal in Arabic.
If you want the past, you would add a verb such as كان:

• المغني كان عالمسرح = The singer was on the stage

عالمسرح is a common colloquial contraction of على المسرح.

So:

• على = on
• المسرح = the stage

In Levantine speech, على الـ often gets shortened to عالـ.
That is why على المسرح becomes عالمسرح in informal writing.

You may also see:

• عَ المسرح
• على المسرح

All of these point to the same basic meaning, but عالمسرح feels very natural in casual Levantine.

A natural pronunciation would be roughly:

il-mghanni ʿal-masraḥ

A few notes:

• المغني is often pronounced il-mghanni or el-mghanni
• عالمسرح is pronounced ʿal-masraḥ
• The letter ع is a deep throat sound with no exact English equivalent
• The letter غ is often like a French-style r or a gargled sound
• ح is a strong breathy h

You do not need perfect sounds right away; the most important rhythm is:

il-mghanni ʿal-masraḥ

Because both nouns are definite:

• المغني = the singer
• المسرح = the stage

In this sentence, the speaker is talking about a specific singer and a specific stage.

Also, when على combines with الـ, colloquial Levantine often merges them:

• على + المسرح → عالمسرح

So the الـ is still there; it is just absorbed into the spoken form.

Yes, المغني is masculine: the male singer.

For a female singer, you would usually say:

• المغنية عالمسرح

That means The female singer is on the stage.

So:

• المغني = male singer
• المغنية = female singer

This is an important difference:

• عالمسرح / على المسرح = on the stage
• في المسرح = in the theater / in the theater building

So if someone is physically performing on stage, عالمسرح is the natural choice.

If someone is somewhere inside the theater but not necessarily onstage, في المسرح would make more sense.

Yes. المغني على المسرح is completely understandable.

But in everyday Levantine, speakers often shorten على الـ to عالـ, so:

• المغني على المسرح sounds a bit fuller or more formal
• المغني عالمسرح sounds more natural in casual spoken Levantine

So both work, but عالمسرح is especially common in conversation.

In Levantine, a very common way is to use مش:

• المغني مش عالمسرح = The singer is not on the stage

This is useful because there is no present-tense is to negate directly.
So instead of changing a verb, you usually add مش before the part you want to negate.

In informal Levantine writing, yes, very often.

That is because short elements like prepositions and the article can get written together in a way that reflects speech. So you may see:

• عالمسرح
• عَ المسرح
• على المسرح

All are possible, depending on how colloquial or careful the writing is.

If you are learning, it is good to recognize all three, even if you choose one style for your own writing.