Equalizer works only with sound. At first you must import music to After Effects and put it to sound”composition and animated equalizer will appear. This is audio-reactive motion graphics which mean it will works automatically with imported sound. Different sounds will give you different animations. So you will get exclusive version of animation with your sound track.

All graphic elements of animation created inside After Effects project, which mean you can change any parameters of effects, animation, colors, camera view, length ect. You must have basic skills of animation and compositing in Adobe After Effects.

Yes, ofcourse you can! Just import your logo into logo placeholder composition and it will be replaced automaticly.