OK for his theme songs we have

His main themes

(This is actually the intro for the series but I consider it a theme)

Angry themes

(Damn I use this song a lot)

Sad themes

(........ yeah this man depressed as fuck)

Happy theme

Battle themes

And now onto his voice and abilities

His voice before he fought ghidorah

His voice now

His abilities

Atomic breath

Neon breath

It's more powerful than Atomic breath but far more uncontrollable

Atomic breath (supercharged)

Neon breath (controlled)

Atomic slash

Atomic blast

Cremation blast

(He can also make fully concentrated beams of this, and he can use it to increase the strength of his physical abilities)