# Controls
You can control the playback of the song using the toolbar buttons (image below), [keyboard shortcuts](https://jjazzlab.gitbook.io/user-guide/playback-control/midi-remote-commands), bar or song part's [popup menu](#popup-menu-controls), or [MIDI remote commands](https://jjazzlab.gitbook.io/user-guide/playback-control/midi-remote-commands).
## Keyboard shortcuts
{% hint style="warning" %}
The shortcuts are given for Windows and Linux. Some of them might need to be adapted for Mac.
{% endhint %}
| | |
| ----------------------------------------------- | --------------------------------------------------- |
| Key | Command |
| space | Start / Pause / Resume |
| shift-space | Stop |
| ctrl-space | Start from the selected bar or song part |
| ctrl-shift-space | Play only selected bars or song parts |
| F1 | Jump playback to previous song part |
| F2 | Jump playback to next song part |
| F3 | Jump playback to song start (restart) |
| J or - | Decrease tempo |
| K or + | Increase tempo |
| L | Toggle loop mode |
## Popup menu controls
This lets you start playback **from the selected lead sheet bar or song part** (ctrl-space).
You can also play only the **current selected bars or/and song parts** (ctrl-shift-space), possibly looped if [loop mode](#loop-mode) is active.
Play from selected bar
Play from selected song part
## Loop mode
When loop mode is activated, the playback restarts when playback reaches the end (the end of the song, or the end of the selection if **Play selection** was used).
### Loop restart bar
You can define a **loop restart bar** which is different from the first bar. It is represented by 2 bars on the left, as shown below.
{% hint style="info" %}
Loop restart bar is ignored when using **Play selection**.
{% endhint %}
## Click settings
The **metronome** and **precount mode** can be configured via the **Click** panel in the **Options menu**.
**Precount mode** can also be directly changed from the toolbar button using **shift-click**.
