Mos- Last Summer Jun 2026

The heart of the track is a Juno-60 synthesizer. The producer has intentionally de-tuned the oscillators so they gently warble (a technique known as "drift"). The chord progression is a deceptively simple i - VII - VI - VII in a minor key. It is the same chord progression used in sad ballads, but slowed down to 118 BPM. It sounds like hope and tragedy shaking hands.

In the vast ocean of electronic music, certain tracks transcend the boundaries of genre to become feelings —auditory snapshots of a specific time, place, or season. For the past eighteen months, one track has dominated the obscure playlists of deep house DJs, the background of cinematic YouTube vlogs, and the "chill beats" radio algorithm. That track is MOS- Last Summer

"Last Summer" by MOS is a laid-back, nostalgia-tinged mixtape that effortlessly blends hip-hop, electronic, and indie rock elements. The project is a masterclass in atmosphere and texture, with MOS (aka Ethan Holtzman) crafting a sonic landscape that's equal parts summery and introspective. The heart of the track is a Juno-60 synthesizer

Why does "MOS- Last Summer" hit differently than other house tracks? It comes down to three specific production choices. It is the same chord progression used in