Using every technique and all the effects Spire has to offer, Collider EDM provides 40 bass sounds, described as "creamy, dirty, raw, distorted, rubbery, noisy and even vintage". It's filled out with leads and arps, pad sounds and a handful of FX, plucks and techno chords.
All of the sounds are finely tweaked down to the smallest details. MIDI from the audio demo is included (royalty free) and all presets have intelligent mod-wheel assignments.
Deconstructing the presets will reveal tips and tricks for programming in Spire while the included MIDI reveals the technique in layering and combing sounds for a great mix.