Typically dance music is divided into beats and bars so different parts of a song are easily distinguished and can be utilized for mixing purposes. This video explains the concept of phrases that are based on counting these beats and bars, making your mixing tighter.
How to mix
Dave Clark from Point Blank Music School explains how to level your tracks and find a good moment to phrase mix the next track, by either by using the beatmatching technique or switching directly to the other track without syncing tempos.
How to blend – mixing different rhythms
You might not want to only play one genre throughout a whole set. Combining different musical styles can be a challenge though. Here are a few tricks and techniques to switch between different rhythms, courtesy of DJTechTools’ Ean Golden.
The concept of harmonic mixing has gotten very popular within the last few years. It basically adds another dimension to mixing records, so now, additionally to beatmatching the records you also chose tracks that work together harmonically, either having the same key or being related scale wise. Sounds more complicated than it actually is, but check for yourself:
How to mix pop music
DJTechTools gives a hands-on explanation of how to mix pop music and different genres. Before getting into the actual mix, Ean Golden gives an elaborated and detailed introduction to track structures to make sure you also are equipped with the underlying theory.