It's not uncommon for macs to display all accessable networks but there's only one for the Mac's Local host that will let you in. The others will be too weak. Go thru them one at a time if there is more than one.

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"What you hear in a great jazz band is the sound of democracy. “The jazz band works best when participation is shaped by intelligent communication.”
Harmony happens whenever different parts get to form a whole by means of congruity, concord, symetry, consistency, conformity, correspondence, agreement, accord, unity, consonance…….