The Common Denominator

Here's some basic facts for you that explains how it works when your a producer working with an A list producer no matter how close the relationship:

Rihanna's "Rehab" Produced by Timbaland, co-produced by Hannon Lane
+
Esmée Denters "Gravity" Produced by Justin Timberlake and Hannon Lane

=Hannon Lane is the producer of both tracks

Simple really...

Remember not to believe everything you read. The liners can be wrong as we've expose many times before.