Answer:
I am a band that does not perform sing or act.
Searing 'cross the pitch-black skies I scream in celebration Yet moments later my outburst through I am naught but imagination.
You used to come to me for all sorts of information and knowledge before the internet was born
I transfer oxygen from the atmosphere to your blood
I am a box who holds keys but not locks. With the right combination I may unlock your soul
The sun bakes them, The hand breaks them, The foot treads on them, And the mouth tastes them. What are they?