There are at least five different bands/artists named Joshua.
1. Joshua is a hard rock band founded by guitarist Joshua Perahia. The band has had several members who are well known for their solo works nowadays, such as Rob Rock and Ken Tamplin. 2. Joshua is a rock/pop group from Aarhus, Denmark. They are similar in sound to Porcupine Tree, Queen, Anathema and Pearl Jam. 3. Real Name: Olivier Picard