I like Tinashe - Aquarius, Robin Thicke, Maroon 5. I try to have a few playlists available. Definitely needs to sound smooth or sexy and have some motion in the beat.
Aquarius: http://www.youtube.com/watch?v=wsVAq2ZQsiY&list=PLXmsd1Q47b5QgiyGpzXHyKExTUVATJ7nV