MuseScore -- Index -- Play Mode

MuseScore has an integrated sequencer and synthesizer to play your score.
By pressing the <Play> button you enter <Play> mode. In <Play> mode the following commands are available:

<Space> toggle stop/play
<Left> seek to previous chord
<Right> seek to next chord
<Ctrl+Left> seek to previous measure
<Ctrl+Right> seek to next measure
<Home> rewind start of score
<F11> toggle show play panel


If you want to play other instruments than piano you have to change the MuseScore integrated SoundFont with a more capable one in the Preferences menu.