The way it is

Huh,Huh

Jam Master Jay
J-J-Jam-Jam-Jam-Jam-Jam
Jam Master Jay
J-J-Jam-Jam-Jam-Jam-Jam

Kick off the shoes
K-K-K-K-Kick
Kick off the shoes
K-K-K-K-Kick
Kick off the shoes

84
80-80-80-84
80-80-80-84
80...

Jay...
J-A-Y are the letters of his name
J-A-Y are the letters of his name

Real...Jam-Master
Real...Jam-Master

...And only practice makes a real Jam-Master

Run...
Run DMC and Jam-Master Jay

Kick off the shoes
Kick off the shoes

Jump on the jock
Listen to the Jam-Master as he starts to rock

K-K-K-K-Kick