background music

even if ...,...cannot

not ... at all

to relax, calm down / to settle

a restaurant

very, exceedingly, awfully / (before a negative form) not at all, at all, by no means

music / (military, slang) electronic signal jamming

family restaurant

back / a backer, a supporter (someone who supports a person or enterprise) / reversing, moving backwards

(sex); go back / move backwards / give a refund