Guillermo no puedo creer que vayamos al (1) (blank) de clandestinos. es mi (2) (blank) favorito. carmen a mí me encanta fernando garcía, el (3) (blank). ¿tienes su último (4) (blank)? guillermo ¡qué pregunta! tengo todos sus (5) (blank). carmen, gracias por comprar los (6) (blank) por internet, comprarlos en la (7) (blank) hubiera sido (would have been) imposible. carmen de nada. nos vamos a (8) (blank) mucho. los conciertos de clandestinos son un verdadero (real) (9) (blank).

First of all, let's analyze each word that completes the blanks.

(1) concierto

This word translates into concert. It's a singular noun we use to refer a live music performance in front of an audience.

(2) grupo

This word translates into music group or band. It's a singular noun in masculine form and is a group of people who perform instrumental or vocal music. Since favorito, the adjective after the noun, is given in masculine and singular form, the noun must agree with it in both gender and number. That's the reason we choose grupo and not banda which is a feminine noun.

(3) sencillo

This word translates into lead vocalist. So, Fernando García is the member of clandestinos group whose voice is the most prominent when performing a show.

(4) sencillo

This word translates into single. It's a singular noun in masculine form and is a is a record release with only one or two songs with the purpose of promotional uses.

(5) álbumes

This word translates into albums. It's a plural noun. An album is a collection of several pieces of music available as a single item on a CD, the internet, etc. In this way, albums (álbumes) is the set of more than one album.

(6) compact discs

This word translates into compact discs. Discos is given in plural form and is the set of more than one compact disc.

(7) tienda

Tienda or more specifically  tienda de discos translates into record shop. This is a store where compact discs are sold.

(8) divertir

This word translates into have fun. In this way, divertir is a verb given in infinitive.

(9) espectáculo

This word means show. So, a concert is actually a great show. In this way, espectáculo is a masculine noun

Translation:

I can't believe we are going to the concert of clandestinos. It's my favorite band.

Translation:

I love Fernando García. Do you have his latest single?

Translation:

What question! I have all the albums. Carmen, thank you for buying the compact discs online, buying them in the record shop would have been impossible.

Translation:

You're welcome. We'll have so much fun. The concerts of clandestinos are really a fantastic show

c. encontramos

explanation:

if i am wrong i am sorry : )