This Logic Pro walkthrough from Mastering.com picks up mid-demo on Quick Sampler, showing how a single imported sample can become a whole new instrument through modulation.
An LFO gets routed to volume for rhythmic pumping, then to the filter and pitch, turning a static sample into something that morphs and breathes as you play different notes.
From there the video breaks down Quick Sampler's three playback modes. Classic behaves like a standard sampler, One Shot plays through the entire selected range regardless of how long you hold the note, and Slice chops the sample into segments mapped across your keyboard.
Slice mode gets the deeper treatment: setting slice points, auditioning each chop, dragging them around to rearrange the sequence, and programming the result as MIDI to build custom rhythmic patterns.