Recruiting cast members

We have determined that we only need three band members for our video:
A singer/rhythm guitarist, a bassist and a drummer.
We have sent each actor an email asking them to perform in our video:

This is our default email for the people that we have asked to play bass for our video. We have asked two members, encase one is not able to make it or bails out on us.

Below is an email intended for our guitarist/singer:

At present we are not sure who to ask to be a drummer however we shall be recruiting a drummer within the next two days.