: The Simon Field Remix is listed as a free download. Free Listening Platforms If you don't need a file and just want to listen for free: Google Watch Action Data

Several official and community-made remixes are available for free download via artist platforms:

: Accessible via subscription for offline listening. iHeartRadio : Currently offers the track for free streaming . Remixes with Free Downloads

: Offers the track in MP3, WAV, and FLAC formats.

: You can download the Official KRADDY Remix for free or "name your price".

You can legally download and stream "Elastic Heart" by Sia through several official platforms. While direct MP3 downloads for free are typically limited to unofficial remixes, the official track is available through standard digital retailers and subscription services. Official Digital Purchase & Streaming