On a cool, breezy summer evening, music emanates from the middle of the block on 18th Street, steps away from Dolores Park. The lovely voice of a woman summons, rather easily, others to a delightful space. Stepping inside, there are vibrant and colorful drawings of sweet breads and cakes adorning the walls. The music that lured people in is just as intoxicating as the wine and food served. A songstress taps at an upside-down metal bucket fashioned into a stringed…