A ready-made boom-bap to start with: the hat lags a little behind the grid. Press Play, then “On grid” - the same beat exactly on the grid, and you hear the difference. Then turn “Hat shift”.
Hat+12 ms · 7 % of the stepGrid step170 msTempo88 BPM
The dashed line - where the hit stands on the grid, the coloured rectangle - where it sounds. The grid step is 170 ms.