Kids that are singing.
Boys holding baseball gloves.
People in the background.
two pairs of young boys speaking into microphones 
a black microphone stand
kids singing into a microphone
boys singing into a microphone
The boys are all wearing gloves
These boys have gloves on their left hands
Three videographers taping the boys
Microphones are both on stands
photographers photographing events
four boys singing
a boy sings into a microphone while other young kids stand near him