Mariah Carey is going to pen and record mobile phone ringtones for Pepsi.
The Grammy award winner has signed a deal which delivers tones for Pepsi Cool Tones &Motorola Phones promotion.
The promotion gives music fans original phone tunes from huge pop stars .
Mariah is to compile 20 varied tones for the promo and about 100 ringtones are going to be offered by the company in totality when the service is launched.
Mariah herself is thrilled by the project and is having a lot of fun
She is also going to perform in a Pepsi concert this summer.
