Many of the RealDrums audio tracks have individual hits of each percussion instrument in the drum kit. The hits are located at the end of the audio tracks as seen in the screenshot below.

You can import an audio file into a DAW or wave editor, locate the hits then copy them. Then you can create a midi file to play a sampler and create the beats that you want.

The resulting audio would sound like the rest of the RealDrums track because the audio came from the same kit and recording session. You likely would not want to do this for too many bars since you're only using single hits but it would be effective for creating custom fills.

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RealDrums Single Hits Example.jpg (219.23 KB, 41 downloads)

Jim Fogle - 2025 BiaB (Build 1128) RB (Build 5) - Ultra+ PAK
DAWs: Cakewalk Sonar - Standalone: Zoom MRS-8
Laptop: i3 Win 10, 8GB ram 500GB HDD
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Music at: https://fogle622.wix.com/fogle622-audio-home