Mahalasa

http://en.wikipedia.org/wiki/Mahalasa
http://www.mahalasa.org/
http://shreemahalasanarayani.com/
http://www.shrimahalasanarayani.org/
https://www.youtube.com/results?search_query=Mahalasa
http://www.slideshare.net/search/slideshow?searchfrom=header&q=mahalasa

Radha

 Krishna is celebrated as Madan Mohan, who mesmerises everyone. His consort, Radha is glorified as Madan Mohan's Mohini, the mesmeriser of the mesmeriser for spiritual aspirants. Radha is known as the mediator without whom access to Krishna is not possible.

http://harekrishnainfo.blogspot.com/search/label/Madan