Mariah Carey E=MC² Bonus Tracks

Mariah Carey's E=MC² drops on April 15th, and oddly enough, two bonus cuts have hit the 'Net today:

• "Heat"
• "4 Real 4 Real" (ft. Da Brat)
  

If this album duds out, I'll be super surprised. Spotted both leaks over at dajaz1.com.