Melodic Death Metal and Power Metal
There are many musical genres and more evolving from like sub genres so there is no real number
The various genres and sub-genres of anime include action (fighting is dominant), adventure (lots of traveling), comedy (lots of laugh), drama (lots of emotion), Sci-fi (advanced technology), fantasy (magic) and many others.
Up is an animated children's film that can fall into the adventure, comedy, and fantasy genres/sub-genres.
The sub-genres of Romanticism include nature poetry, Gothic fiction, historical novels, and the Romantic sublime. These sub-genres focus on themes of emotion, individualism, nature, and the supernatural. Romanticism emphasized the sublime beauty and power of nature, as well as the inner world of emotions and imagination.
I feel that techno will change in the sense that its sub genres will be as popular as techno, if not more popular. Needless to say that there will be new sub genres of techno in the future. I hope this answers your question!
Different sub-groups in the same general subject.
It seems to be that Pop has the most subgenres.
Tragedy, comedy, and history.
Fiction Non-Fiction Fantasy Mystery Realistic-Fiction Science Fiction Informational Poetic
There are way too many sub branches of music to list them all. Some of the major genres are rock, rap, folk, jazz, and blues, but each of those genres can be broken down into several more different categories.Ê
They are similar because they are both sub-genres of electronic music, but are not the same genre.
Alternative rock is a kind of rock music, so, there is no difference. There's no such thing as just plain, "rock music," rather, there are dozens of different sub-genres: early rock, folk rock, psychedelic rock, classic rock, punk rock, glam rock, heavy metal, grunge, alternative, etc. And many of the sub-genres have their own sub-genres, like, thrash metal, black metal, progressive metal, Viking metal, speed metal are sub-genres of heavy metal, and proto-punk, post-punk, punk pop, hardcore punk, British punk, New York punk are all sub-genres of punk music. All of these sub-genres and sub-sub-genres can be called "rock music." Like, you can say that Nirvana is a rock band, or, you can be more specific and say they are a grunge band. You can say that Black Sabbath is a rock band, or, you can be more specific and say they are a heavy metal band. Or, you can say the Ramones are a rock band, or, you can be more specific, and say they are a punk rock band. It's sort of like, there's green M&Ms, red M&Ms, blue, orange, yellow, and brown M&Ms, but there are no "plain" M&Ms. See the Related Link below for the Wikipedia entry on alternative rock.