Momusu performed a few songs on Uta no Rakuen. Credit to Amped on H!O.
Uta no Rakuen 6.12.10
Morning Musume - Happy Summer Wedding performance
http://www.youtube.com/watch?v=BhKa2t1U6zw
Aichan solo - Ai wo Komete Hanataba wo
http://www.youtube.com/watch?v=FLVkthPgdzY
Reina solo - Butterfly
http://www.youtube.com/watch?v=pUKW41Me9tM
Seishun Collection performance
http://www.youtube.com/watch?v=RXe3Vax2m90
Morning Musume - Love Love Love (Dreams Come True)
http://www.youtube.com/watch?v=B1yorbY5gw0
It's songs like these that remind me why I love Momusu.
Minus Seishun Collection, of course.