Hardcore Free Samples & Loops, Hard Dance Sounds by Lucidsamples - Hardcore
Free Electro Swing Samples (Vol. 3 !!) DEMO (..it's been a year, but now it's here at laaaast!) | Bassadelic.com :: #1 samples source online! We help electronic / hip hop producers
SampleRadar: 295 dance/urban pop samples | MusicRadar
EDM & Dance Lollipop Sample Pack | LANDR
HighLife Samples released Electronic Dance Music Bundle | Noizefield