Good point, Ineedcolor.
I should have mentioned what you would expect. It varies, depending on the complexity of the song.
I find older, less complex (vocal, little instrumentation) types of music usually average out to 140-160kb/s
Your typical Top 40 music of today averages out to 190-210kb/s.
Just now, I used MP3 Manager 32 to list the songs I have that came out with the highest average bit rate using alt preset standard.
Here are the top 5:
"Is Anyone Home?" - Alice Cooper - The Life And Crimes of Alice Cooper - 253kb/s
"Black Black Heart 2.0" - David User - Morning Orbit - 253kb/s
"The Night That Minnie Timperley Died" - Pulp - We Love Life - 240kb/s
"Bob Lind (The Only Way Is Down" - Pulp - We Love Life - 240kb/s
"Record Companies" - Tricky - Angels With Dirty Faces - 237kb/s
I also know from experience that Aerosmith, Weezer, and Fatboy Slim come out with pretty high bitrates.
chris myden