Simplify the following text for a Grade 6 native English-speaking person.
Original: After years of relative dormancy , the effect was revived in the mid-2000s by R&B singer T-Pain , who elaborated on the effect in contemporary popular music by making active use of Auto-Tune in his songs .
Simplified: Auto-Tune became famous again in the mid-2000s when R&B singer T-Pain made active use of it in his songs .