Jem: Truly Outrageous!(1986)

Overview:

With the help of her father's greatest creation, a holographic computer named Synergy, Jerrica Benton and her sisters team up to create the band Jem and the Holograms. Together, they will go head-to-head with their rivals, the Misfits and their greedy road manager Eric Raymond, in a battle of the bands for control of Mr. Benton's music company, Starlight Music.