The lead singer from a band is holding a microphone and both hands up in the air against a purple background .
It is impossible that a singer is onstage in front of an audience during a concert .
It is highly likely that a singer is onstage in front of an audience during a concert .
It is impossible that a singer is onstage in front of an audience during a concert .
A singer is onstage in front of an audience during a concert .