the.com/soundcheck

The ritual where the band plays its worst thirty seconds so the show can have its best two hours.

means A pre-performance test of microphones, instruments, and speakers so levels and tone are right before the audience arrives.

from Straightforward compound of 'sound' + 'check,' born with 20th-century amplified performance — once bands plugged into PA systems, someone had to check the sound before anyone trusted it live.

origin
Standard by the 1960s with arena-scale touring PA systems
classic line
check, one two, is this thing on
irony
empty room acoustics differ wildly from packed one
insider move
bands sneak new songs in before anyone's listening
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