Its tracks consist of chopped, looped samples of various songs—including popular songs from the 1980s and 1990s—processed with effects such as delay, reverb, and pitch shifting; the results highlight mournful or existential moments from the sources.

1's release, Lopatin posted a series of videos that he called "eccojams" to a YouTube channel named "sunsetcorp".

By the time an official remastered version was released for digital download in November 2016, recognition for Eccojams Vol.

[7] "Nobody Here" combines a looped sample from Chris de Burgh's "The Lady in Red" with a vintage computer-animated graphic called "Rainbow Road".

[4] Other examples include Fleetwood Mac's "Only Over You" for "Angel" and Roger Troutman's "Emotions" for "End Of Life Entertainment Scenario #1".

[8] Some of these eccojams were initially released as part of the 2009 audiovisual project Memory Vague under Lopatin's alias Oneohtrix Point Never.

[13][5][14] Its artwork incorporates fragments of the cover art for the 1992 video game Ecco the Dolphin[15] such as "a distorted view of a rocky shoreline and a pixelated shark.

[24] The songs consist of looped samples of popular songs from the 1980s and 1990s distorted by effects such as delay, reverb, and pitch shifting,[14][23] a technique derived from DJ Screw's chopped and screwed technique[14] and likened to a "candy-coloured variation" of William Basinski's The Disintegration Loops.

An example would be "B4", which isolates the lyric "There's nobody here" from "The Lady in Red" to convey existentialism, which differs from the romantic tone of the original song.

[23][19] "B1" has a bleak tone, similar to a twisted dream, before transitioning to an uplifting loop of Kate Bush's voice from "Don't Give Up".

[27] According to Tiny Mix Tapes, Eccojams Vol 1 would lead to Lopatin's 2011 Oneohtrix Point Never album Replica.

[b] According to Stereogum's Miles Bowe, vaporwave artists "mash the chopped and screwed plunderphonics of Dan Lopatin ... with the nihilistic easy-listening of James Ferraro's Muzak-hellscapes on Far Side Virtual".

1, Lopatin said in a 2017 AMA:[37] Well – the entire point of Eccojams was that it was a DIY practice that didn't involve any specialized music tech knowledge and for me it was a direct way of dealing with audio in a mutable, philosophical way that had very little to do with music and everything to do with feelings and I'm happy to see that it actually turned out to be true, that people make the stuff and find connection and meaning through that practice is all I could ever hope for.

[1] In 2020, the 33⅓ series published a book of essays on underrated albums titled The 331⁄3 B-Sides, which included a Lin piece on Eccojams Vol.