This is one of my first riddles that i'm *creating*, not solving, so it might be very easy..

>I have keys, but I have no locks.

>Some consider me majestic.

>Other find me annoying.

>I can do *bac*k, but not f*orw*a*r*d.

> I am happy.

>I am sad.

>I can hold you in suspense.

>What am I?