was
asked to be in a metal band becasue i play the guitar but i don't know alot of notes and chords what should i do. the other people in the band are expecting me to know alot of notes ad chords ahhh.
Start learning. This site has a list of chords:
http://www.all-guitar-chords.com/
Also for metal songs you have to know about the 5th chords or "power chords" they are simple and this should get you started:
http://guitar.about.com/library/weekly/aa092600c.htm
As far as lead guitar is concerned you have to learn scales:
http://www.chordbook.com/guitarscales.php
http://www.myguitarsolo.com/