soundchecking

Verb

soundcheck (third-person singular simple present soundchecks, present participle soundchecking, simple past and past participle soundchecked)

1. (intransitive) To carry out a soundcheck.
   • At a show by American singer Jeffrey Lewis in Leeds last month, he was still soundchecking at 11pm, and when Guns N' Roses made a comeback of sorts in 2006, their Hammersmith Apollo gig began at 11pm, and ended two hours later […]2007 November 2, Caroline Sullivan, “Why do gigs start so late?”, in The Guardian
2. (transitive) To perform (a song etc.) as part of a soundcheck.
   • Guns N’ Roses were heard soundchecking a previously unreleased song ahead of their recent show in Tel Aviv.2023 June 7, Liberty Dunworth, “Guns N’ Roses soundcheck unreleased song ‘Perhaps’ ahead of Israel Concert”, in NME

See all 3 meanings of soundcheck