Punk rock aggrupation

I'm listening to a sSpanish punk rock group called 'Los Muertos De Cristo', their song namcalled 'Resistiré'.

It's a song that speaks about how no matters how hard your life can begin, you must to resistovercome all of thate problems and difficulties.

I really love this song, its rhythm is so good and it gives me a lot of memories.

The band 'Los Muertos de Cristo' is an anarchyist sSpanish aggrupation and the majority of its songs talk about resisteance and revolution.

I recommend itlistening to them.

"It" is used for singular, more tangible objects. For instance, if you were talking about one of their albums, you can say "I recommend listening to it." However, the band is a group with multiple people, so we use 'them.' "Recommend listening to..." means that you would like for us to listen to their music.

Punk rock aggrupation

"aggrupation" is probably okay, but very obscure. You can consider "group" or "band".

I'm listening to a sSpanish punk rock group called 'Los Muertos De Cristo', and their song namtitled 'Resistiré'.

(1) "Spanish" is a proper noun and should be capitalised.
(2) "named" isn't so much used in relation to song titles. Consider "titled", or "called".

ItThe song speaks about how no matters how hard your life can begin, you must to resist all of that problems and dificulties.

I really love this song, its rhythm is so good and it gives mebrings back a lot of memories.

"gives me a lot of memories" implies that the creation of new memories (and even so it sounds unnatural). I assume you meant that it brings back a lot of memories instead.

The band 'Los Muertos de Cristo' is an anarchyist sSpanish aggrupation and the majority of its songs talk about resisteance and revolution.

The band name can be omitted, since you've already mentioned it at the start and have not introduced any other band.