Mega Pak only includes this:
MegaPAK RealCombos:
40 RealTracks in 10 Bands
Jazz Swing 140, Country Ballad 65
Pop Rock 120,Bossa 140, Bluegrass 130
Blues 120, American PopRock 120,
SmoothCool Jazz 100, JazzBallad 85,
HardRock Thrash 85
+ RealDrums Sets 1-5
You should have gotten the Ultra Plus Pak. If it's been less then 30 days they'll probably exchange.