Schroeder (Peanuts) and Lucy and Snoopy comes out of nowhere and starts dancing on the piano, until Schroeder and Lucy start looking at him angrily and Snoopy stops dancing and looks embarrassed. Frieda sometimes leans against Schroeder's piano, making Lucy jealous. She does not seem to be much of an annoyance to him as Lucy, but Schroeder prefers Lucy over her, possibly because Frieda has no knowledge of classical music at all (in "Play It Again, Charlie Brown" she thought Beethoven was a drink, causing Schroeder to pull the piano out from under both her and Lucy). The piano's capability is illustrated
Schroeder (Peanuts) she has to take in laundry to support them; on another occasion she remarked that, if they married and Schroeder failed to earn money, they would sell his piano to buy saucepans. On both occasions, Schroeder got up and walked away from his piano in bewilderment. Schroeder rarely tells Lucy to go away as long as she is quiet. He doesn't seem to mind her being there until she begins to annoy him. Most times he is willing to answer her questions, but unfortunately they usually turn into themes that annoy him, e.g., their getting married, silly comments about music,