Net omdat koordirigente verander, beteken dit nie dat toonhoogtes verander nie.

Here net omdat means just because.

• net often means just or only
• omdat means because

Together, they form a very common pattern: Net omdat X, beteken dit nie dat Y nie = Just because X, it doesn’t mean that Y.

So net here is not simply literal only; it helps create that idiomatic just because... doesn’t mean... meaning.

Because Net omdat koordirigente verander is a subordinate clause placed at the beginning of the sentence.

Afrikaans normally uses a comma after a fronted subordinate clause before moving to the main clause:

• Net omdat koordirigente verander, ...
• Omdat hy moeg is, gaan hy huis toe.

So the comma marks the boundary between the opening because clause and the main statement.

Because Afrikaans main clauses follow a verb-second pattern.

When something other than the subject comes first — here, the whole clause Net omdat koordirigente verander — the finite verb moves into second position, and the subject comes after it:

• normal order: Dit beteken nie ...
• after fronting: Net omdat ... beteken dit nie ...

So beteken dit is the expected word order after that opening clause.

It works like the it in English it doesn’t mean that...

This dit does not really point to one concrete noun. It is a kind of placeholder subject used with beteken in this structure:

• Dit beteken dat ...
• Dit beteken nie dat ... nie

So you can think of it as grammatical it, not a word with a very specific separate meaning here.

Because standard Afrikaans negation often uses the pattern nie ... nie.

In this sentence:

• first nie: after dit
• second nie: at the end

So:

• beteken dit nie ... nie

means:

• does not mean ...

English usually translates this with only one not, but Afrikaans normally needs both parts.

No — not automatically.

In this sentence, the meaning is:

• it does not mean that pitches change

not:

• it does not mean that pitches do not change

The final nie is mainly there to complete the Afrikaans negative structure that began earlier with beteken dit nie. Because the dat clause comes after that, the closing nie ends up at the very end of the sentence.

That is a very common Afrikaans pattern.

Dat introduces the clause that tells you what is meant.

So:

• beteken dit nie dat ... nie

is like:

• it does not mean that ...

It functions much like English that. In English, that is sometimes omitted, but in Afrikaans it is very normal to include dat in sentences like this.

Because Afrikaans verbs usually do not change form for person or number in the present tense.

So you get:

• ek verander
• jy verander
• hy verander
• hulle verander

That is why both of these are correct:

• koordirigente verander
• toonhoogtes verander

The verb form stays the same.

Because the sentence is talking about those things in general, not about specific ones already identified.

This is similar to English:

• Choir conductors change
• Pitches change

not:

• The choir conductors change
• The pitches change

Afrikaans often leaves out the article in generic plural statements, just as English does.

Afrikaans has more than one common plural ending.

Here you have:

• koordirigent → koordirigente
• toonhoogte → toonhoogtes

Many nouns take -e, and many others take -s. There are patterns, but learners often have to get used to them word by word.

So the different endings are normal and not a special feature of this sentence.

It is the plural of koordirigent, meaning choir conductor.

This is a compound word:

• koor = choir
• dirigent = conductor

The plural is made on the head word dirigent:

• koordirigent
• koordirigente

So it literally means choir conductors.

It is the plural of toonhoogte, the usual Afrikaans word for pitch in a musical sense.

It is also a compound:

• toon = tone
• hoogte = height

So literally it is something like tone height, which matches the idea of musical pitch.

Plural:

• toonhoogte
• toonhoogtes

Here it is intransitive, meaning to change.

• koordirigente verander = choir conductors change
• toonhoogtes verander = pitches change

No direct object follows the verb in either case.

But verander can also be used transitively in other contexts:

• Ek verander die plan. = I change the plan.

So the verb itself is flexible; in this sentence it is being used without an object.

Yes — very much so.

A useful pattern to remember is:

• Net omdat X, beteken dit nie dat Y nie.

Examples:

• Net omdat hy stil is, beteken dit nie dat hy kwaad is nie.
• Net omdat dit duur is, beteken dit nie dat dit goed is nie.
• Net omdat sy glimlag, beteken dit nie dat sy saamstem nie.

This is one of the most useful ways in Afrikaans to say Just because X, doesn’t mean Y.