To address the issue of receiving a message that says a song is not available in eSound, follow these steps:

1. Check Network Connection: Ensure you are connected to a stable internet connection. A weak connection may prevent songs from loading.

2. Update eSound App: Make sure you're using the latest version of eSound. Check the Google Play Store for any updates.

3. Clear App Cache: Sometimes, app data might be corrupted. Go to your device’s Settings > Apps > eSound > Storage > Clear Cache. This can help resolve playback issues.

4. Log Out and Log In: Log out of your eSound account and then log back in. This can refresh your session and might resolve song availability issues.

5. Reinstall the App: If the problem persists, uninstall eSound and reinstall it. This will ensure that you have a fresh installation that might fix any underlying issues.

6. Check Song Availability: Sometimes, the song may simply be removed from eSound or is not available in your region. You can check the official eSound website or their community forums for updates on specific songs. If you find other users reporting similar issues with the same song, it is likely a broader availability issue.

7. Contact Support: If you've tried all of the above steps and the song is still unavailable, consider reaching out to eSound's customer support. They can provide assistance specific to your account and the song in question. You can find contact options on their official site here.

For further details on troubleshooting, a community discussion on eSound can be helpful - learn more.