Revealed Recordings has announced the release of Tonal Risers Vol. 1, a collection of 525 loops.
They say:
Tonal Risers Vol. 1 is a collection of over 500 tonal riser loops to bring life to your buildups and create evolving energy in your drops.
Split into 6 categories: tempo (128, 140) and duration (4bar, 8bar, 16bar), each loop is labeled by key, has BPM information embedded, and includes fx tails for more creative control.
Price: €24.95. Available for free for the first 30 days with a Pro Subscription.