Hanging out with a friend, thirsty

I'm with a recent girlfriend in a basement bar. We're lounging on the floor, which is a grass slope, waiting for the first of several bands I know to play. Someone asks me to help set up for the first band. I'm surprised all I had to do was plug in an amp. I'd wanted to do a sound check. My friends' band is really good, very minimal, with judicious use of some sort of analog sampling box that plays sounds of her breathing backwards with reverb.

We're suddenly in church with my parents. As in other dreams, the altar and stage is in the middle of the sanctuary instead of in front. We go up for communion. I wonder if I should tell my friend that you can cross your arms to indicate you don't want communion, but I don't; We only get the bread and my parents, in front of us, just stand there, waiting for the wine.

Suddenly again, the dream shifts and we're checking a rented mailbox that in the dream I had several years ago. It's carved into a mountain I've dreamt of before with a wooden Hobbit-like entrance. I look for my old mailbox but can't find it. All the box numbers are very low, the greatest being 450 something. The proprietor helps me, leading me to where my box has been relocated and renumbered with a five digit number starting in "12". He explains that they don't have any mail I might have received.

Again the dream shifts - the mailbox store is now also a food market and I'm very thirsty. I tell the proprietor I want a piña colada, he doesn't understand my request. After a bit of back and forth, he understands and tells me he can't make it. I settle for coconut milk he tells me I can get from a coconut. There are many rooms in the store and dark, dingy maze-like halls with bare cement floors and walls. The produce room is excellent and busy with exotic and over-sized fruit, but no coconuts. The whole room is refrigerated, with two freezer doors going in to it. I make a mental note to shop there soon.

On the way out, we stop in another room with bulk products. It's busy too, everybody is picking up a lot of items. It's mostly unhealthy stuff, like extremely long cellophane wrapped tubes of Pez candy. We leave without buying anything.