The festival promoter checked the backlines before the bands began their soundchecks.

The backliners worked through the night to tune the guitars before the morning soundcheck.

As the team's primary backliner, she intercepted every through ball and cleared the danger.

The coach adjusted the backline before the second half to strengthen the defense.

During the quality check, the factory found wrinkles in several backlinings that needed repair.

The sound engineer praised the band's backlining, noting that placing the amplifiers behind the performers gave a fuller stage sound.