"Genre-busting" is a term used occasionally in reviews of written work, music and visual art and refers to the author or artist's ability to cross over two or more established styles.
For instance, in writing, to combine the horror genre with a western or hard-boiled detective story with science fiction.
In music, the term may refer to a song combining styles or defying classification.
The publisher Atticus Books has gone so far as to declare, on their website: "We specialize in genre-busting literary fiction—i.e., titles that fall between the cracks of genre fiction and compelling narratives that feature memorable main characters.
"[1] The Video Movie Guide 1998 stated in its foreword, "In past years, reviews in VMG have been broken down into genre categories.