I hear voices in my head

A few months ago I bought an audio book which was reading by the author. then next and next.    The author has a very specific reading style and a original  unique voice. Then Later, when I was reading a new book by this author, and... I have I heard his voice in my mind. Very wierd weird. **The same style, rythm rhythm etc.

I think I would say "I heard his voice in my head."   "In my mind" is not wrong, but, that is not what people say in conversation. If you are hearing voices - we say we hear them in our head.

I like the effect you had of writing sentence fragments - but two in a row is a bit much. Perhaps you could write this:

Very weird...the same style and rhythm.

Perhaps you will get more suggestions from grammar experts! Have a great day.

I hear voices in my head

Few months ago I bought an audiobook which was read by the author. Then next and next. Author has very specific reading style and original voice. Then I was reading a new book by this author and... I heard his voice in my mind. Very weird. The same style, rhythm etc. Now I'm watching some vlog and it happened before as well, when I read something written by the vlog's author I hear his voice in my mind. (Not sure I understand what you mean in the last sentence). (And sorry I just realised I didn't use any tools to show my suggested corrections, I'm new to italki)

I hear voices in my head

A few months ago I bought an audiobook which was reading by author, then next and next.The Author has very specific reading style and original voice. Then I was reading another new book by this author and... I have heard his voice in my mind. Very wierd. The same style, rythm etc. Now I am watching some a vlog and like earlier, when I read something writen by the vlog's author, I hear his voice in my mind.

Good writing. Some mistakes but don't worry keep practising. If you need any help or assistance feel free to contact me :)