Takahito Eguchi on Sonic Lost World Original Soundtrack:

Cutscene - It’s a Trap!

From Sonic’s hasty actions, this time Tails…. The music is also never casual in that. For the sad piano melody playing in the end, I reference it from the main theme. It was the request “Using piano” and such piano’s sense of sorrow is the royal road, but after all, it ends up being felt with the scene, doesn’t it…?