Quiero dedicarme a la música.

Because dedicarse a is a pronominal verb expression meaning to devote oneself to or to work in / pursue a field.

• dedicar by itself usually means to dedicate something to someone/something:
  • Dediqué el libro a mi madre = I dedicated the book to my mother.
• dedicarse a means to dedicate oneself to something:
  • Me quiero dedicar a la música = I want to devote myself to music.

In Quiero dedicarme a la música, the me refers back to the speaker: I want to dedicate myself to music.

Because me is attached to the infinitive dedicar, it becomes dedicarme.

Because the verb pattern is dedicarse a + noun / activity.

So:

• dedicarse a la música
• dedicarse a la enseñanza
• dedicarse a escribir

That a is required by the verb pattern. It is not the same as the English to in to dedicate oneself, even though it often feels similar in translation.

In Spanish, general abstract nouns often take the definite article more often than in English.

So Spanish commonly says:

• Me gusta la música = I like music
• Quiero dedicarme a la música = I want to devote myself to music / go into music

Here la música means music as a field, profession, or art form in general.

English often drops the article, but Spanish frequently keeps it.

It can mean several very close things, depending on context:

• I want to devote myself to music
• I want to go into music
• I want to make music my career
• I want to work in music

So it usually suggests more than just liking music. It often implies wanting to pursue it seriously, especially as a profession or life direction.

Yes. Quiero dedicarme a la música and Me quiero dedicar a la música are both correct.

The difference is just where the pronoun me goes:

• Quiero dedicarme a la música
• Me quiero dedicar a la música

With a conjugated verb plus an infinitive, object/reflexive pronouns can usually go:

1. before the conjugated verb, or
2. attached to the infinitive

Both are standard and natural.

It is often taught as reflexive, but more precisely it is pronominal.

That means it uses a pronoun like me, te, se, nos, os, se, but the meaning is not always literally reflexive in the English sense.

For example:

• Me dedico a la música = I work in music / I devote myself to music
• Se dedica a la medicina = He/She works in medicine

So for learners, the important thing is to remember the full expression: dedicarse a + something

Because in Spanish, the present tense is often used for current desires or intentions.

• Quiero dedicarme a la música = I want to devote myself to music

This means right now, that is my wish/intention.

You could also use other tenses depending on meaning:

• Quise dedicarme a la música = I wanted to devote myself to music
• Querría dedicarme a la música = I would like to devote myself to music
• Voy a dedicarme a la música = I’m going to devote myself to music

But quiero is the most direct and normal way to say I want.

Usually it suggests something serious, often a profession or long-term dedication.

So Quiero dedicarme a la música often sounds like:

• I want to make music my life
• I want to work professionally in music
• I want to pursue music as a career

If you only mean a hobby, Spanish might more naturally use something like:

• Quiero aprender música
• Quiero tocar música
• Quiero dedicar más tiempo a la música

So dedicarse a often implies a stronger commitment than just casual interest.

Yes. La música is broad.

Depending on context, it could mean:

• being a musician
• composing
• performing
• studying music seriously
• working professionally in the field of music

If you want to be more specific, Spanish often adds detail:

• Quiero dedicarme a la música clásica
• Quiero dedicarme a componer
• Quiero dedicarme a cantar
• Quiero dedicarme a la producción musical

So the original sentence is broad and flexible.

The pattern stays the same, but querer and the pronoun change.

• Quiero dedicarme a la música = I want to devote myself to music
• Quieres dedicarte a la música = You want to devote yourself to music
• Quiere dedicarse a la música = He/She wants to devote himself/herself to music
• Queremos dedicarnos a la música = We want to devote ourselves to music
• Queréis dedicaros a la música = You all want to devote yourselves to music
• Quieren dedicarse a la música = They want to devote themselves to music

In Spain, queréis and dedicaros are the vosotros forms.

Yes. Querer is irregular in the present tense.

Its forms are:

• yo quiero
• tú quieres
• él/ella/usted quiere
• nosotros/nosotras queremos
• vosotros/vosotras queréis
• ellos/ellas/ustedes quieren

The stem changes from e to ie in most forms:

• quer- → quier-

But not in nosotros or vosotros:

• queremos
• queréis

So quiero is the correct yo form.

Yes, but it means something slightly different.

• Quiero dedicarme a la música = I want to devote myself to music / go into music
• Quiero dedicar mi vida a la música = I want to dedicate my life to music

The second one sounds stronger and more dramatic. It emphasizes your whole life as the thing being dedicated.

The original sentence is more common for talking about career plans or personal vocation.

A rough pronunciation guide is:

KYEH-ro deh-dee-KAR-meh ah lah MOO-see-kah

A few useful notes for Spain:

• qu in quiero sounds like a hard k
• ie in quiero is like yeh
• c in música is a normal k sound because it comes before a
• Stress falls on:
  • QUIE-ro
  • de-di-CAR-me
  • MÚ-si-ca

If you want a more Spain-specific note: in this sentence there is no z or soft c sound, so nothing especially different from Latin American pronunciation stands out here except accent/intonation.