Barbie and The Sensations: Rockin' Back to Earth (1987)
Barbie and The Sensations: Rockin' Back to Earth is the title of the second adventure of Barbie and her rock band "The Rockers" (or "The Sensations"). It is the sequel of Barbie and the Rockers: Out of this World. The two specials were released together on video by Hi-Tops Video.
More at Wikipedia.