I'm a mix of several mixes - What can I be?

First and foremost, I'm a mix of mixes.

My first mix consists of what I have one, and what I have seven

What is subject to change,

The result of eels and a madman.

After that, I am a mix of love and music

Of grace and agility,

Of shaking and screaming.

My last is a mix of everything

Multitudes of genres

And yes, the answer is one.

It's abbreviated to 3 letters.

Hint I:

what I have one, and what I have seven: look at that blue box.

Hint II

The result of eels and a madman.: think Marvel Spiderman

• Ok... I'm gonnna try the whole "don't overthink it" thing and say the answer is "one"? XD – stack reader Nov 22 '16 at 4:08
• For the first hint: the OP has bar tbyq naq frira fvyire onqtrf (rot13) – tmpearce Dec 5 '16 at 17:17
• Correct... now whats tbyq and fvyire mixed? – bleh Dec 5 '16 at 17:27

2 Answers

Are you

Electronic Dance Music?

My first mix consists of what I have one, and what I have seven
What is subject to change,
The result of eels and a madman.

As @tmpearce pointed out, OP has 1 gold badge and 7 silver badges. The combination of gold and silver is called "electrum". Electro is a Spiderman villain who, in one version, gets his electricity-themed powers from electric eels.

After that, I am a mix of love and music
Of grace and agility,
Of shaking and screaming.

These could all be descriptions of 'dance'.

My last is a mix of everything
Multitudes of genres

Music indeed has multitudes of genres.

It's abbreviated to 3 letters.

EDM is commonly used.

Is it a

Book?

First and foremost, I'm a mix of mixes.

A book contains a massive mix of letters and words.

My first mix consists of what I have one, and what I have seven

Chapters

What is subject to change,

The plot chan change. Who doesn't love a plot twist!

The result of eels and a madman.

Comedy

After that, I am a mix of love and music

Romance

Of grace and agility,

Fantasy

Of shaking and screaming.

Horror

My last is a mix of everything

The last page is often taken up of other books

Multitudes of genres

There are many book genres

And yes, the answer is one.

A book is a combination of all of these, brought together by the author

• It is not- think completely different – bleh Nov 22 '16 at 20:45