In a lot of music now a days, specially in pop music, there's this airy, crispy sound to it, which allows the vocals just to float in the mix & really stand out. Adobe Audition has an awesome sound effect called the "30 Band Graphic Equalizer" which allows you to bring your EQ above 20k up to 25k. Doing this will give your vocal this airy/crispy sound & just glisten in the mix, I love it. Here's an Adobe Audition tutorial that will help you achieve that effect.
