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Using StemFM

Swapping Tracks in a Mix

Replace the seed or mix track in a blend to pair any two songs together.

2 min read. Updated June 25, 2026

Every blend in StemFM pairs two tracks — a seed track and a mix track. You can replace either side to build the exact pairing you want to hear.

The StemFM player with controls to replace the seed or mix track
Search for and replace the mix track to pair any two songs.

Replace a track

  1. 1

    Open the player

    Expand the player on the blend you want to change.

  2. 2

    Choose a side

    Pick Replace seed track or Replace mix track depending on which song to change.

  3. 3

    Search for a new track

    Find the song you want to pair in, and StemFM rebuilds the blend around it.