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Hear rows in your project’s tempo and key

Turn on Match Project in the library window’s toolbar, or run Command Palette → Match Project On/Off. Rows now play, and land, at the project tempo and in its key.

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Loop or one-shot

Choose Loop, One-Shot or Automatic under Type in the inspector. For many samples, select them and run Command Palette → Set Type.

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Set the tempo

Click Tempo in the inspector, under Type, and type a value, or drag up and down. Hover it for ÷2 and ×2.

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Good to know

  • Match Project is Off (default) and stays on this Mac. Nothing is written to the sample: it changes what you hear and what lands, not the library. Without it, rows play as recorded, which suits sorting, tagging and comparing.
  • Loop or one-shot decides Match Project’s tempo. A loop plays and lands at the project tempo. A one-shot keeps its own timing and starts on the next beat.
  • A loop takes the shorter way to the project tempo. A 90 BPM loop in a 174 BPM song plays as 180 slowed to 174, not 90 doubled. Drum loops keep their hits intact (Punchy), everything else sounds as on a track (Smooth): Time Stretching.
  • Keys move by the smallest step, and drums never move. The tempo follows the ⌥S picker’s rules, patterns those of the ⌥P picker, and the ⌥S picker fits a sample the same way.
  • A typed tempo always counts, also on a one-shot. It is the same correction the Sample Editor writes. Projects that already use the sample keep their own tempo. Where bar 1 starts stays in the Sample Editor.
  • Gridshift reads loop or one-shot off the file. It also counts a sample as a loop when its name states the detected tempo and it lasts at least a bar, like Pads_140_G.wav.
  • Automatic names what Gridshift read. Loop and One-Shot override it, and a rescan keeps your choice. Choose Automatic to go back.
  • Type also ranks the ⌥S picker and decides whether transient markers get the loop rule. It follows the sample to your other Macs, and the iPhone places loop markers by it.
  • The Type column shows your choice in full strength. The BPM column dims the tempo of a one-shot, because nothing fits to it. Hover it for the reason.
  • The arrow beside a set tempo, or a right-click, goes back to the detected one. Set Sample Tempo, Halve Sample Tempo, Double Sample Tempo and Reset Sample Tempo to Detected do the same from the Command Palette.
  • Tempo corrections follow the content hash. A source BPM or downbeat set in the Sample Editor, or a tempo typed in the library, syncs and reaches the next project on any Mac unless it has its own value. Resetting both clears it, on your other devices too.
  • Gridshift listens to every sample in the background. It learns the waveform drawing, transient markers, tempo, key, loop or one-shot, and any melody it can transcribe. There is no switch: it costs some local CPU once, then keeps up with imports.
  • A sample remembers how you play it. Plays As in the inspector is Slices (one key per transient marker) or Instrument (played up and down the keyboard). That choice and the sampler tuning follow it into the next project and onto your other Macs.
  • A single instrument note plays as Instrument. Right after import, a sample with one attack and a clear pitch, however long it rings, plays at the note its name spells out and wears a tuning fork in the list. Older samples are recognized when you first select them, or by the background analysis.
Last modified on October 22, 2026