Space Song arrived/Rarity's suspicions

This is how Space Song arrived and Rarity looks up her shoes goes in Battle of the Bands Restart.

[Meanwhile]

Space Song: There must be something here to help me with my problem.

[He sees the Rainbooms (exclude Rarity)]

Space Song: What are they up to?

[He spies on them]

Human Twilight Sparkle: Alright, girls. You know what to do.

Human Rainbow Dash: Yeah,