isPlaying, canBePlayed) }}"
                           role="button"
                           aria-label="Play Audio"
                           tabindex="-1"></paper-icon-button>
        <paper-icon-button id="pause"
                           icon="paper-audio-icons:pause"
                           class="fit"
                           hidden$="{{ !isPlaying }}"
                           role="button"
                           aria-label="Pause Audio"
                           tabindex="-1"></paper