If you have a grayed-out playlist track, you likely have it muted. You can quickly unmute the grayed-out track again by clicking on the solo/mute button below the track name. You can apply this to mixer tracks also, as whenever they are greyed out, it means they are muted. You can unmute them by following the same steps as with the playlist channel. If you have a grayed-out playlist track, you likely have it muted. You can quickly unmute the grayed-out track again by clicking on the solo/mute button below the track name. You can apply this to mixer tracks also, as whenever they are greyed out, it means they are muted. You can unmute them by following the same steps as with the playlist channel.