Determine if the sentence is true based on the text below:
Although The Asteroids Galaxy Tour had Mette Lindberg as a vocalist, it was unsure if they needed another

The Asteroids Galaxy Tour is a Danish pop band consisting of vocalist Mette Lindberg and songwriter/producer Lars Iversen, formed in 2007. When performing live the band extends to a five-piece, featuring Mikkel Balster Dorig (guitar), Simon Littauer (MPC and keys) and Rasmus Littauer (drums).
It's impossible to say