請確認與其它喇叭同主題且同時播放。

Make sure to play the same theme and at the same time as other speakers.

提示:最後的鋼琴旋律有完整出現所有音高。
Hint: The piano melodies of the last part introduce all the pitches

紅色文字示範

Note: 此答案為終極密碼的第一個數字。 This answer is the first digits of the final password.