Michael described his mother Katherine as "gentle and loving". He said she used to sing "You Are My Sunshine" to him. Clearly, she was a very hardworking, responsible mother who cared for him deeply.
I don't know if Michael Jackson was a fan of Selena but i know Selena and her siblings grew up listening to the Jackson 5 (it was said in the DVD :"Selena remembered")...so she was aware of him and...