Answer:
The warmer I am, the fresher I am. What am I?
When it comes to me you go on red and stop on green.
They come out at night without being called. They are lost in the day without being stolen. What are they?
I am always in front of you, but you will never see me. What am I?
I am flora not fauna. I am foliage not trees. I am shrubbery not grass.
The profession of Jimi Hendrix and Eric Clapton