Double Vision
Knockin (1995)
There is more than one artist under the name of Double Vision

1- Double Vision is a Spanish eurodance act consisting of Carol McCloskey and Pedro Cervero.
They peaked at number one with the hit "Knockin" followed by "Allright".
Double Vision's songs are usually harder, more happy hardcore influenced then by the classic eurodance. Under the name Doble Vicio, they had released a single entitled Sara in 1993.
Double Vision released the album "Unsafe Building".