El disco suena.

Suena comes from the verb sonar, which means to sound, to ring, or to play/sound out depending on context.

Here it is in the third-person singular present tense:

• yo sueno = I sound / I ring
• tú suenas = you sound
• él / ella / ello suena = he / she / it sounds
• el disco suena = the record sounds / is playing

It is suena because el disco is singular, so the verb must also be singular.

In Spanish, it is very common to use the definite article el where English might sometimes leave it out.

So:

• El disco suena. = The record is playing / The record sounds.

Without el, disco would usually feel less natural in a normal standalone sentence.

Also, disco is a masculine singular noun, so it takes el:

• el disco
• los discos

It can mean a few related things, depending on context:

• record = a music record / album
• disc = a physical disc
• sometimes more generally a recorded piece of music or album

In a sentence like El disco suena, the most natural idea is usually:

• The record is playing
• or The disc sounds

In modern everyday use, context matters a lot, since music is not always played from physical records anymore.

Yes, literally it is The record sounds.

But in natural English, depending on context, you would often translate it more idiomatically as:

• The record is playing.
• The record is sounding.
• The disc is playing.

Spanish often uses sonar where English might prefer be playing.

Spanish often uses the simple present for actions happening right now, especially when the situation is clear from context.

So:

• El disco suena. = The record is playing.
• El disco está sonando. = The record is sounding / is playing right now.

Both can be correct, but the simple present is very common and natural in Spanish.

A rough difference:

• suena = more neutral, general, or simple statement
• está sonando = emphasizes that it is happening right now

Yes. Sonar is a stem-changing verb.

The o changes to ue in most present-tense forms:

• yo sueno
• tú suenas
• él/ella suena
• nosotros sonamos
• vosotros sonáis
• ellos suenan

So suena is irregular because of that o → ue change.

Yes. Sonar is a very flexible verb.

For example:

• Suena el teléfono. = The phone is ringing.
• Suena la campana. = The bell is ringing.
• La canción suena bien. = The song sounds good.

So in El disco suena, the verb is about the disc producing sound or playing.

Because tocar and sonar are different verbs.

• tocar usually means to touch, to play an instrument, or to perform music
• sonar means to sound or to be heard

So:

• El músico toca. = The musician plays.
• El disco suena. = The record sounds / is playing.

A record does not normally tocar by itself in Spanish; it suena.

Not by itself.

El disco suena just means that the record is sounding/playing. If you want to say The record sounds good, you would normally say:

• El disco suena bien.

The word bien adds the idea of well/good.

In Spain, suena is pronounced roughly like SWEH-na.

A few pronunciation notes:

• sue- sounds like sweh
• na is a short nah
• stress falls on the first syllable: SUE-na

So:

• El disco suena ≈ el DEES-ko SWEH-na

Normally, no. That would sound unnatural in standard Spanish.

Spanish usually needs an article here:

• El disco suena.

If you remove el, it no longer sounds like a normal complete sentence in this context.

It is grammatical and understandable, but whether it sounds natural depends on context.

A Spanish speaker in Spain might also say things like:

• Está sonando el disco. = The record is playing.
• Suena un disco. = A record is playing.
• El disco está sonando. = The record is playing right now.

So El disco suena is correct, but in real conversation another wording may sometimes sound more natural depending on what you want to emphasize.