I have a non amp related question. Actually, I have probably about a million of them but I'll start with basic stuff.

First, I should probably describe my level of playing. I get the basic blues scale and I get the pentatonic minor scale and the toughest solo I've ever taught myself to play is the one from "Two Princes" from the Spin Doctors but I couldn't put a solo together to save my life.

I took lessons for a while and I did pick up some good stuff. I finally figured out why country sounds country-pentatonic major with major keys in place of pentatonic minor. that was a huge dawning for me at the time.

my question is are most guitar solos in classic Rock 'n' Roll within a song done on one scale or the other or are the done using a mixture of both?

I was taught the chromatic and diatonic scales but after a while, I noticed notes started getting added to the diatonic scale and it all just blended together for me to the point of confusion.

I would really like to learn how to solo on my own but I'm super confused. I was also taught to resolve solos on the root note so that's a little bit of guidance for me.

I guess what I'm saying is I can teach myself to mimick a solo but I don't have the capability to COME UP with a solo. The other thing is, is there a hard and fast rule that within a band (and I know this is a stupid question, but I have to ask it anyway) one guitar player has to be the lead and the other the rhythm? or do some bands trade off?

reason I ask is because some songs I'd like to play the lead and others I'd like to play rhythm. i guess I'm guilty of wanting to cherry pick.

Finally, how many total keys are there? I know about the major keys but is there a such key as B flat minor? where does that fall in?

after this, I would like to come up with a song list, run it by some people here, then start working on it little by little. I already know a few songs like "I Feel Fine" and "Get off my Cloud" and Clapton's version of "I'm Tore Down" but I want to improve and start getting into alternate tunings like what Keith Richards used and Humble Pie for "30 Days in the Hole" and the like.

Oh, and how many songs does a typical show have and how many sets and how many songs in a set? I want to start putting this together. I just moved to Chicago and I really want to start jamming here.