To view kit Mute, Solo, and Action pop-up menu parameters, move the pointer over the kit controls bar.
Kit name and icon: Click the kit name to view kit parameters in the Smart Controls pane. Double-click the kit name to rename it (and the main track). Click the kit icon to stop all playing sounds. The Kit Controls button is highlighted when kit parameters are shown in the Smart Controls pane.
Note: The kit icon displays a muted speaker icon when you move the pointer over it during playback. This can be used to immediately stop playback of all kit pieces. This is useful when you want to silence a long One Shot sample that you are previewing in a Quick Sampler-based kit piece, for example.
Kit Controls button: View kit parameters in the Smart Controls pane. The button is highlighted when working with kit parameters in the Smart Controls pane. See PDF
Logic Pro Effects: PDF