i_o
American electronic dance music, DJ, and record producer (1990-2020)
- Base
- United States
- Active
- Since 2017
- Listeners
- 99K
- Sound
Sonic signature
60 analyzedi_o is a high-energy techno artist from United States. I_o's catalogue here runs a wide 87-135 BPM band (median 126). Harmonically the catalogue spreads across 17 of 24 keys, with an even split of major and minor, most often 10B, 10A, 9B. The overall sound is dark and driving. The catalogue is largely vocal. The tracks here span 2017 to 2022. The catalogue traces a label journey from mau5trap to 4AD. Slower than 83% of techno artists.
- Reach:
- bigger than 77% of techno artists
Plays across 17 of 24 keys, 42% in minor, most often 10B, 10A, 9B.
B2B pairings
Artists who play the same keys at a matching tempo and energy. A back-to-back that mixes cleanly.
- Kevin Saunderson17 keys · 126 BPM · NRG 84
- Massano16 keys · 126 BPM · NRG 80
- Boys Noize17 keys · 126 BPM · NRG 81
- Julian Jeweil16 keys · 126 BPM · NRG 81
Set builder
A set arc from i_o's own catalogue — picked by measured energy, tempo and groove.
Signature tracks
The defining cuts from i_o's catalogue.
Best known
Let Me Go
11A · 41/100 popularity
Hardest
Access - i_o Remix
11A · energy 100/100
Latest

anything but wet
12A · 2022
Deepest cut

PassiveX
10B · 130 BPM
Discography
62 tracks · 60 analyzedAbout
Garrett Falls Lockhart, known professionally by his stage name i_o, was an American DJ and record producer.
FAQ
- What genre is i_o?
- i_o plays mostly techno, with progressive house, based on their catalogue in the directory.
- What BPM does i_o play at?
- i_o's tracks here sit mostly between 87 and 135 BPM, with a median around 126.
- What key does i_o play in?
- Across 60 analyzed tracks, i_o favours 10B, 10A, 9B, and 42% of the catalogue is in minor keys.
- Where is i_o based?
- i_o is based in United States and has been active since 2017.
- What labels has i_o released on?
- i_o has releases associated with 4AD, mau5trap, Malware Records, inHarmony Music.
Profile data from Discogs + MusicBrainz (CC0). Artist images and track data via Spotify. How we measure. Catalogue updated July 2026.
Methodology
How we keep this honest.
Seeded from open data
Profiles start from Discogs + MusicBrainz (CC0) discography data, then match to the tracks we have analyzed.
Measured, not guessed
Every BPM, key and energy figure on this profile is computed from the actual recordings, not estimated or copied from a third-party API.
Full methodology
How the directory is sourced, gated and kept honest, in depth: read the methodology.
Kept current
Catalogue last updated July 2026.
Every insight on this page, for your own library.
Vibes runs this same analysis on the music you own: keys, energy and vibe for every track, organized into sets you can actually play.
