Well I did some stats over how many times somebody says Jeff in the songs...
Rock the House 31 Jeff/10 tracks
3,1 Jeff per song
He's the DJ 100 Jeff/17 tracks
14,2 Jeff per song
And In This Corner... 61 Jeff/12 tracks
5.0 Jeff per song
Homebase 3 Jeff/12 tracks
0.25 Jeff per song
Code Red 38 Jeff/12 tacks
0.63 excluding I Wanna Rock
3.1 with I Wanna Rock included
Big Willie Style 3 Jeff/16 tracks
0.18 Jeff per song
Willenium 33 Jeff/16 tracks
5.5 Jeff per song
Born to Reign 4 Jeff/14 tracks
0.28 Jeff per song
Jeffest song: I Wanna Rock (31 Jeff)