Serato's DJ tech is ready to mix playlists on your iPhone
 

Creating a great playlist is tough. It's more than just throwing a bunch of songs together and hoping for the best. You have to make sure the music melds together smoothly, with no jarring transitions. It's time-consuming, and if you don't add enough...

http://www.engadget.com/2016/02/11/s...n-your-iphone/