1. Apple Music: You can purchase and stream "Echoes" on Apple Music if you have an Apple ID and subscription to Apple Music.
2. Amazon Music: "Echoes" is also available on Amazon Music. You can buy the song or listen to it as part of a subscription to Amazon Music Unlimited.
3. Google Play Music: You can purchase and listen to "Echoes" on Google Play Music if you have a Google account.
4. Spotify: If you have a Spotify subscription, you can stream "Echoes" on the platform.
5. YouTube Music: You can find "Echoes" on YouTube Music and purchase the song if you have a Google account.
It's important to note that the availability of "Echoes" on these platforms may vary depending on your region or location.