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Synthetic Water Music: 32 artists, 51 tracks, one element

Mappa follows its 2023 bird compilation with 51 tracks about water, from Pauline Anna Strom to field-recorded ponds. The theme holds, but the runtime asks a lot.

BY JOLT Staff · SEP 1 2026 · 3 min read

Synthetic Water Music is a compilation of 51 tracks on Mappa, most of them short, all of them wet. The subject is water, and the range runs from drip to flood: field recordings of ponds and rivers, synthesis detailed enough to pass for rain, and one piece that plays as a rowdy acoustic ceremony. It opens with the late Pauline Anna Strom and closes with Mare Lapideum. In between, 32 artists keep a single subject from turning into wallpaper.

The label's previous themed set was 2023's Synthetic Bird Music, and the method is the same: pick an element, commission it, sequence it hard. Birdsong is a gift to a compilation because it already sounds strange. Water needs more work. It has rhythm and no melody, and the title admits the trick, since half of what you hear is a recording and the other half is a performance of a recording. The 32 contributors, most of them currently active and many writing for this specifically, keep the acoustic, the electronic and the concrete in one frame.

Synthetic Water Music is out August 17 on a double cassette. Some of its tracks are pulled from older releases, and the two most prominent sit early: Emerald Pool opens the set, and A River Song, by Ursula K. Le Guin and Todd Barton, arrives at track nine. Everything after that is mostly new work.

The sound is consistent to the point of being a thesis. Trickles and drips, tones that find a level and stay there. Rippling instrumentals built from acoustic, electronic and concrete sources, with the joins hidden well enough that you stop trying to spot them. The compositions are short by ambient standards, and the sequencing uses that, moving you along before any one idea has time to settle in.

Emerald Pool gets the first word, and the fact that it comes from an earlier release changes how the rest of the record reads. Strom died before this compilation existed, and the fifty tracks that follow hers feel like a long answer to it. The other borrowed piece, A River Song, sits in a different decade from everything around it, and nothing written for the project quite lands with the same weight.

The middle stretch is where the theme earns its keep. The Cloud That Never Rains, by Henrique Vaz, is the rowdy one, an acoustic ceremony that breaks the surface. Water-lily Phase, by Action Pyramid, is the cleanest proof of concept: field-recorded aquatic rhythms, the pond keeping time. Tune, by Ursula Sereghy and Dorota Barova, is the closest thing here to a ballad, lush glitches worked under a surface that never quite settles. The titles announce the register early: Every Bottle Is A Flute, Tap Water, The Sky At The Bottom of the Well, and one more that loses the weightless delight of being swept along with it.

This is for the people who already keep records like it, who play field recordings while they work and treat a good drip as a percussion part. It pays off as a full listen and pays better in pieces. If you want a tune, Tune is your track. If you want weather, take the rest of the second half.

What does not work is the length. 51 tracks is one sitting too many, and the strongest material arrives in the first third, which leaves the back half competing with an opening it cannot beat. Superfici Riflettenti does its work in ninety seconds and asks nothing of you, and a handful of the shorter pieces read as interludes even where they were meant as statements. The failure mode for a themed compilation is that water becomes weather and you stop noticing it. Here and there, you do.

Still, the theme never collapses into a gimmick, and at least three of these pieces will outlive the compilation they arrived on. 3.5: good, uneven at the edges, and worth the wade. Fill a bath, start at track one, and stop when the water goes cold.

The tracklist

01  EMERALD POOL3:21
02  SUPERFICI RIFLETTENTI1:30
03  LIVING MIRROR3:31
04  HÝDŌR2:48
05  COSIMO, ABOVE A WATERFALL3:00
06  JÄWRÄ2:42
07  OVERLOOKING THE LAKE, IN THE MOUTH OF THE GROTTO4:56
08  OH, TO BE A FOUNTAIN1:34
09  A RIVER SONG3:14
10  LUNITIDAL DAYDREAM2:52
11  PISARA2:58
12  EARLY MIST DRIBBLES OVER THE GRASS1:53
13  MARÉ VAZIA2:43
14  MANNERJÄÄN SULAMINEN2:33
15  CHVÍĽKU PRED ZÁPADOM4:47
16  REPOSITORY OF DEW3:14
17  AT THE SOURCE3:22
18  RETURN2:49
19  THE SKY AT THE BOTTOM OF THE WELL3:31
20  ΜBQUA3:46
21  SILICA POND4:58
22  THE CLOUD THAT NEVER RAINS4:20
23  MEMORY IS A VAPOR3:27
24  CORALLINE2:57
25  SUB ONDO3:31
26  UTAWAI3:53
27  EMBRACE4:03
28  TO A TRICKLE4:20
29  THE POND4:26
30  GLITTER ICE2:52
31  IN-OUT-TOAD4:00
32  WATER-LILY PHASE3:28
33  THEREBY LOSING THE WEIGHTLESS DELIGHT OF BEING SWEPT ALONG WITH IT3:18
34  UŽ PRICHÁDZA3:35
35  TŮNĚ2:55
36  LEGUME HYDROSONICS2:10
37  ANGEL TEARS4:57
38  EVERY BOTTLE IS A FLUTE3:56
39  SURFACE TENSION3:43
40  H2000O3:43
41  FLURRY AT THE WHIRL-PULL3:34
42  SEASICK4:11
43  SIMULACRUM3:31
44  SUPERCRITICAL FLUIDS3:07
45  STATISTIQUE SYNTHÉTIQUE AUX ÉPAULES DE CASCADE2:06
46  UNDER THE WHITE CURTAIN4:18
47  TAP WATER3:56
48  LAST WAVES OF 20253:57
49  I SINK IN THE SAND3:02
50  MARE LAPIDEUM4:02

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