Russian chanson duet with male and female vocals, mid-tempo waltz-like sway and gentle guitar picking under warm synth pads; verse 1 is intimate and conversational, pre-chorus opens with rising harmony and handclaps, chorus blooms with full choir unison and call-and-response doubles. Male lead and female lead trade lines, soft octave doubles, tender delay throws on key words, accordion-like synth swells, a short instrumental lift between sections, polished but emotional mix with close-mic intimacy and wide choruses.