Gene () is playing in a large xylophone group, Tina () is the star of her production (but not the one her mom thinks she is), and Louise () is doing a poetry contest.

Source: https://collider.com/best-adult-animated-holiday-episodes-specials-ranked-imdb/

The dip became even more obvious when the researchers converted the signals into sounds by using notes on a xylophone.

Source: https://abc7news.com/radio-bursts-waves-from-outer-space-frb-monthly-notices-of-the-royal-astronomical-society/14185319/