No, The Staff At A Restaurant Probably Can't Change The Music Playing. Here's Why - Tasting Table
Briefly

In restaurants, background music is a crucial element of the ambiance. It should reflect the style, theme, and energy level of the setting, match the tone and tempo of human conversation, and mask noises like your fork clanking against your plate, putting patrons at ease to relax and enjoy.
Bartenders typically get to play their own music behind the stick...leave the vibe-curation to them, for the record, even if you've had three espresso martinis and it's your friend's birthday and she loves Hall & Oates.
In response to the original Reddit question, leave the mood-setting aspirations at home...it's time to buy some decks to practice spinning records for that closeted passion toward a career as a disc jockey.
Read at Tasting Table
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