Digital Music Web 2.0 Website

Here is what we need:

Looking for two logos for two website; logos shall be different but similar so that brand is reflected; would like two tiny browser logo buttons as well (not sure what they are callec, they are next to URLs in browser windows;

Our target audience is:

This is a web 2.0 website; target demographic are primarily users under 30 years old, consume digital music, love to listen to digital music, love technology associated with digital music; this is a fun website full of information about bands; games; ability for fans to feel ownership of the band. We like these designs:

Shall be very web 2.0 ish, light, fun, twitter, facebook, google Our design absolutely must have:

shall definitely have music clef, horizontal lines like a music chart - and - a stock chart, and a nasdaq'ish Google Finance stock ticker type of chart in the background.

Must agree in principal and sign an NDA.