[6] As a DJ/producer, Halkes has officially remixed Kylie Minogue's single "Magic", Xpansions' "Move Your Body", and tracks by Mel C, Degrees of Motion, and many more.
[7] Along with Richard Russell, he formed early rave duo Kicks Like a Mule, enjoying chart success in 1992 with their debut single, "The Bouncer".
The Positiva label enjoyed significant success under Halkes' leadership with artists such as Reel 2 Real, Alice Deejay, the Bucketheads and more and is now home to David Guetta and Deadmau5, amongst others.
Amongst the publishing signings to Halkes’ JV with Sentric Music Group are northern writer and producer team PBH & JACK.
[12] Halkes co-produces and co-hosts a successful podcast series called Trailblazers: Electronic Pioneers with Eddy Temple-Morris, where they are now on their 4th season.