research into existing band logos. many just consist of an interesting font, i think a band logo has to be memorable and recognisable.
Rock Band Logos Music Vinyl Wall Sticker Decal by BlackfinGraphics, $4.99
Classic rock band logo collage http://www.guitarandmusicinstitute.com
This is what music used to be.
It's okay, Pluto's astronomical symbol doesn't look very good anyway. Also, Uranus's symbol in this picture is the astrological version. Other than that everything's good.
Finding New Beauty