# Tempo-mapping in Reaper Line up your audio's downbeat to the grid. Create a tempo/time signature marker there. Create another one bar later, or two, or four, however many you need. I've sent the action to create a tempo/time signature marker to ctrl+alt+c. Next, set timebase to "time," not "beats." Then, ctrl+drag the marker to the correct downbeat.[^1] Shift+t to move nearest grid barline to playback cursor. [Export MIDI and tempo map from Reaper? - Cockos Incorporated Forums](https://forum.cockos.com/showthread.php?t=17624&utm_source=pocket_saves) [^1]: [Creating a Tempo Map in REAPER - YouTube](https://www.youtube.com/watch?v=sjT9WuC1Zc0)