Kuulitko sen korkean sävelen lopussa?

-ko / -kö is the Finnish question particle. It turns a statement into a yes-no question.

• kuulit = you heard
• kuulitko = did you hear?

So Kuulitko... ? means Did you hear... ?

In Finnish, this particle is usually attached to the first important word in the sentence.

Finnish usually does not need the subject pronoun if the verb already shows who the subject is.

Here:

• kuulit = you heard
  The ending -it already tells us the subject is you.

So sinä is unnecessary unless you want extra emphasis or contrast.

• neutral: Kuulitko sen korkean sävelen lopussa?
• emphatic: Sinäkö kuulit sen korkean sävelen lopussa? = Was it you who heard the high note at the end?

The base form is kuulla, meaning to hear.

This sentence uses the past tense:

• kuulen = I hear
• kuulit = you heard
• kuulitko = did you hear?

So the action happened in the past.

The basic form is se, which can mean it or that, depending on context.

In this sentence, sen is the form used because the word is part of the object phrase:

• se = nominative form
• sen = object/genitive-looking form

So:

• se sävel = the note / that note
• sen sävelen = that note / it, as the thing heard

In everyday Finnish, se is very commonly used for it.

Because they belong together in one noun phrase, and Finnish marks that phrase with matching forms.

The phrase is:

• sen = that / it
• korkean = high
• sävelen = note

Together: sen korkean sävelen = that high note

The adjective korkea must agree with the noun sävel in case and number, so both change:

• korkea sävel = a high note
• korkean sävelen = the high note / that high note, as the object

This is a very normal Finnish pattern: adjectives usually match the noun they describe.

This is a very common learner question, because the form looks like the genitive.

In a sentence like this, sävelen is functioning as the object of the verb hear. In traditional grammar, this is often treated as an accusative object, but in the singular it often has the same form as the genitive.

So for a learner, the most useful way to think about it is:

• sävel = basic form
• sävelen = the form often used for a complete object in the singular

Because the sentence means hearing the whole note / that specific note, not just some unspecified amount of sound.

Because säveltä would be the partitive singular, and that would give a different feel.

Compare:

• Kuulitko sävelen? = Did you hear the note?
  A complete, specific object.

• Kuulitko säveltä? = Did you hear any note / some note sound?
  More indefinite, incomplete, or less bounded.

In this sentence, the speaker is asking about a specific high note at the end, so sävelen is the natural choice.

Lopussa is the inessive case, which often means in or at something.

The base form is loppu = end

• loppu = end
• lopussa = in the end / at the end

Here it means at the end.

So:

• sen korkean sävelen lopussa does not mean the note is inside the end in some literal physical sense
• it is just the normal Finnish way to say at the end

Both forms can sometimes relate to end, but they are used differently.

• lopussa = at the end / in the end part
• lopulla = at the end of a time period, very often with months, years, or seasons

For example:

• elokuvan lopussa = at the end of the movie
• vuoden lopulla = toward the end of the year

In your sentence, lopussa is correct because we are talking about the end of something like a piece of audio, song, or event.

Yes. Finnish word order is fairly flexible, although different orders can shift emphasis.

The neutral version is:

• Kuulitko sen korkean sävelen lopussa?

You could also say:

• Kuulitko lopussa sen korkean sävelen?

This still means basically the same thing, but it places a bit more attention on lopussa = at the end.

Finnish often uses word order for emphasis rather than changing the core meaning.

Finnish has no articles.

So Finnish does not have separate words corresponding exactly to a and the.

Instead, definiteness is understood from context, word order, and words like se / tämä.

In this sentence, sen korkean sävelen already feels definite because:

• sen points to a specific thing
• the context makes it clear which note is meant

So Finnish does not need a separate word for the.

A few useful pronunciation points:

• ä is not like English a. It is a front vowel, similar to the vowel in some pronunciations of cat, but cleaner and tenser.
• Finnish stress is almost always on the first syllable.

So roughly:

• sävelen → SÄ-ve-len
• korkean → KOR-ke-an

Also note that Finnish spelling is very regular, so you usually pronounce what you see.

In korkean, the ending is really pronounced as separate vowels:

• kor-ke-an

not as one blurred English-style ending.

Korkean is the adjective korkea = high, changed to match sävelen.

So:

• korkea sävel = a high note
• korkean sävelen = a high note / the high note, in object form

This is just normal adjective agreement in Finnish: the adjective changes along with the noun.

Yes. Finnish se / sen can cover both it and that in many contexts, especially in everyday language.

So depending on context, sen korkean sävelen could be understood as:

• the high note
• that high note
• it, if the note has already been mentioned

Usually the surrounding context tells you which English translation sounds best.