Members for Fine-Grained Categories rhythmical:pulsation:

• drum,
• headache,
• electric_current,
• nightclub,
• heart,
• dance_floor,
• night_club,
• beat,
• rock_concert,
• drone,
• hangover,
• pulsar,
• heartbeat,
• bass,
• dance_beat,
• strobe_light,
• pain,
• laser,