W drugiej zwrotce rytm robi się szybszy niż na początku piosenki.

W drugiej zwrotce means in the second verse.

It uses the locative case, because after w meaning in, Polish usually requires the locative.

So:

• druga zwrotka = the second verse (dictionary/basic form)
• w drugiej zwrotce = in the second verse

Both words change:

• druga → drugiej
• zwrotka → zwrotce

This is very normal in Polish: adjectives and nouns usually change together to match case, gender, and number.

Zwrotka means verse or stanza in a song or poem.

In the context of a song:

• pierwsza zwrotka = first verse
• druga zwrotka = second verse
• refren = chorus / refrain

So w drugiej zwrotce tells you which part of the song is being discussed.

Yes, literally robi się looks like becomes / gets / makes itself, but in natural Polish it often simply means becomes or gets.

So:

• rytm robi się szybszy = the rhythm gets faster / becomes faster

This is a very common pattern:

• robi się ciemno = it’s getting dark
• robi się zimno = it’s getting cold
• robi się ciekawie = it’s getting interesting

With an adjective agreeing with a noun:

• muzyka robi się głośniejsza = the music gets louder
• rytm robi się szybszy = the rhythm gets faster

So you should understand robi się here as a natural way to express change.

Yes. All of these are possible, but they feel slightly different:

• rytm robi się szybszy = the rhythm gets faster
• rytm staje się szybszy = the rhythm becomes faster
• rytm przyspiesza = the rhythm speeds up

Differences:

• robi się szybszy sounds natural and conversational
• staje się szybszy is a bit more formal or neutral
• przyspiesza is more direct and compact

So the original sentence is completely natural, especially in everyday description.

Because szybszy is an adjective, and it describes the noun rytm.

• rytm = masculine singular noun
• therefore the adjective must match it
• szybszy = faster (masculine singular)

Compare:

• szybki rytm = a fast rhythm
• rytm jest szybszy = the rhythm is faster

But szybko is an adverb, meaning quickly/fast, and it describes how an action happens, not what a noun is like.

For example:

• muzyk gra szybko = the musician plays fast

So in this sentence, since we are describing the rhythm, szybszy is the correct form.

Niż means than in comparisons.

So:

• szybszy niż... = faster than...
• większy niż... = bigger than...
• trudniejszy niż... = more difficult than...

In this sentence:

• szybszy niż na początku piosenki = faster than at the beginning of the song

Notice that Polish does not need to repeat the full noun phrase. In English, we might say:

• faster than at the beginning of the song
• or faster than it is at the beginning of the song

Polish often leaves that implied.

Piosenki is in the genitive case.

The expression is:

• na początku = at the beginning
• and then you say of what?
• piosenki = of the song

So:

• początek piosenki = the beginning of the song
• na początku piosenki = at the beginning of the song

This is very common in Polish:

• koniec filmu = the end of the film
• w czasie lekcji = during the lesson
• środek miasta = the center of the city

After nouns like początek (beginning), Polish often uses the genitive to show of something.

Because na początku is the normal Polish expression for at the beginning.

Polish often uses fixed prepositional expressions that do not match English word-for-word. So even though English says in the beginning or at the beginning, Polish says:

• na początku = at the beginning
• na końcu = at the end

You should learn this as a set phrase.

Examples:

• Na początku filmu nic się nie dzieje. = At the beginning of the film, nothing happens.
• Na początku piosenki rytm jest wolniejszy. = At the beginning of the song, the rhythm is slower.

In robi się szybszy, się is part of the expression that shows a change of state.

It does not always mean a literal reflexive oneself. In many Polish verbs and expressions, się helps create meanings like:

• becoming
• happening
• being done in a general way

Here, the important thing is to learn the whole pattern:

• robi się + adjective

Examples:

• robi się zimny = it becomes cold / gets cold
• robi się trudniejszy = it becomes more difficult
• robi się szybszy = it becomes faster

So in this sentence, się is simply part of the natural phrase robić się = to become / to get.

The original word order is very natural:

W drugiej zwrotce rytm robi się szybszy niż na początku piosenki.

Polish word order is more flexible than English, because cases show grammatical roles clearly. You could change the order for emphasis, for example:

• Rytm w drugiej zwrotce robi się szybszy niż na początku piosenki.
• Szybszy niż na początku piosenki rytm robi się w drugiej zwrotce. (much more marked, less neutral)

But the original version is the best neutral choice. It starts with the time/place frame w drugiej zwrotce, then gives the subject rytm, then the change robi się szybszy.

Approximate pronunciation:

• drugiej ≈ DROO-gyei
• zwrotce ≈ ZVROT-tseh

A few useful pronunciation notes:

• dr in drugiej is pronounced clearly
• gi before e/j sounds soft, roughly like gy
• zw sounds like zv
• c in Polish is pronounced ts
• rz usually sounds like zh (similar to the s in measure)
• stress in Polish is usually on the second-to-last syllable:
  • DRU-giej
  • ZWROT-ce
  • pio-SEN-ki

Not exactly.

• rytm = rhythm
• tempo = tempo

They are related, but not identical.

Rytm is about the rhythmic pattern or pulse. Tempo is about speed.

In real musical description, people sometimes speak loosely, so rytm robi się szybszy can be understood naturally. But more technically, someone might also say:

• tempo robi się szybsze
• tempo wzrasta
• utwór przyspiesza

So the sentence is natural, but if you are thinking very strictly in musical terms, tempo could also be possible depending on what exactly is meant.