<Button xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        android:id="@+id/list_item_sound_button"
        android:layout_width="match_parent"
        android:layout_height="120dp"
        tools:text="Sound name"/>

<Button xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        style="@style/BeatBoxButton"
        android:id="@+id/list_item_sound_button"
        android:layout_width="match_parent"
        android:layout_height="120dp"
        tools:text="Sound name"/>

Set the new style to the play buttons
Set the new style to the play buttons
