Mastering by Holger Lagerfeldt

How to get started

Easy as 1-2-3

Get world-class mastering, personal service, and a free mix check. Begin right here.

Award-winning mastering

165 gold and platinum records

I get the best out of your mixes. All genres and project sizes welcome. See my credits.

Dedicated facility

Built for mastering

The studio features amazing acoustics and state of the art gear. See the studio.

Mastering credits artist mosaic 1
Mastering credits artist mosaic 2


Rita Ora - Only Want You (Martin Jensen Remix)
Breaking news
Updated 2019-05-30

Mastered Hjalmer - Istedgade (Universal Music).

Mastered Rita Ora - Only Want You (Martin Jensen Remix) (Atlantic Records).

Mastered Alle Farben ft. James Blunt - Walk Away (Martin Jensen Remix) (Sony Music/Ultra).

Mastered Martin Jensen x James Arthur - Nobody (Universal/Virgin/disco:wax).

Mastered John Lundvik - Too Late For Love (Warner Music). Number 1 on all charts in Sweden.

Co-wrote DJ R3HAB x Icona Pop - This Is How We Party (Warner Music).

Mastering philosophy

"Less is more."

Holger Lagerfeldt with 23 x Platinum + 3 x Gold Award for Martin Jensen - Solo Dance
Updated 2019-06-27

Latest awards

[Gold] Faustix - Crying In The Rain (Warner Music)

[2 x Platinum] Nik & Jay - United album (CPH/Universal)

[Gold] Rasmussen - Higher Ground (Renegade/Warner Music)

[Gold] Ankerstjerne ft. Lille - Vent Og Se (Universal Music)

[Gold] Jamaika - Nordsiden album (Heritage/Sony Music)

[Platinum] Jamaika - SxB På Fri Fod album (Force One/Sony Music)

[Gold] Alex Vargas - Solid Ground (Universal Music)

[23 x Platinum + 3 x Gold] Martin Jensen - Solo Dance (disco:wax)

Check out the credits page for more info.

Gear Grotto YouTube channel
Updated 2019-05-17

Newest gear

Trinnov ST2 Pro Optimizer
TDR Kotelnikov GE Compressor
Softube Weiss MM-1 Mastering Maximizer
FabFilter Pro-L 2 Limiter
UAD-2 Satellite Quad-Core

See the gallery and gear list, and watch the latest Gear Grotto videos on the studio page.

Tech tip

Logic Pro X compressor circuit types

This handy cheat sheet reveals all of the hidden parameters in Logic's compressor circuit types. More tips in the mastering FAQ.