A. 1. Go to Settings > Notifications > Trending Music and ensure that notifications are enabled. Check the alert style and sound settings. 2. Restart your iPhone to refresh the notification system and see if that resolves the inconsistency.
B. 1. Check if Do Not Disturb mode is enabled by going to Settings > Do Not Disturb. If it is on, turn it off to receive notifications. 2. If notifications are still inconsistent, try uninstalling and reinstalling the app to reset its notification settings.