directing Music Videos Background

Hello my Friends

Music Videos Background

sorry im New in Music Videos

can anyone Help me ?

What is the best background for a Music Video

With 5 musicians playing in a Place ( Background ) recorded with green Screen

guitar, Drums, Vocal, Bass, Keyboards

is Better a Background with movement ? or a Fixed Background ? like a Photo ?

where i can find backgrounds for put a Band play in this Background ? ( Webpage )

thanks and regards