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Closeup hands switching sliders at retro boombox adjusting stereo sound indoors. Macro view fingers turning on buttons at vintage player. Man listener adjusting music play at classic audio device.
Maximum cost per click in the business concept representing with knob turning full, 4k animation
Gloved hand of laboratory worker adjusting focus knob of microscope during research. Extreme close-up shot
Close-up of plugging a jack into a guitar amplifier and turning up the volume knob, live concert show, playing music on guitar tube amplifier.

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