For those who wish to see what effete rappers will do to prove they've still got it (honest!), click on the link below.
Poet Laureate Infinity
A beat that you can mix at different intervals with five seperate 11-minute vocal tracks.
Along side of just recording a lot of really long raps though, if you switch out any one track with another it'll still keep the same rhyme going.
You be the judge.