Android 9 Stopping Music when Phone Locks

I have 3 droids for work testing; an LG G5, a Google Pixel and an Nokia 7... The Lg G5 is running Android 8.0 Everything I am about to tell you is NOT an issue running version 8 or below.
Both newer phones (Pixel & Nokia), immediately upgraded to Android 9.0
Running Android 9.0 (Pie) is stopping music from playing via my phone or the SD card... whenever the phone locks. Example: If I set the display for 2 mins... I get 2 minutes of music playing... the screen goes to sleep... and 1 minute later the music stops.
The timestamp on the music is 00:00.
If I go back... then forth... the timestamp shows the proper song length and music plays.... until the sleep/hibernate/lock happens
If I set the screen display to 5 minutes... same thing but longer musical playing. 5 minutes of music and display... screen goes dark.... 1 minute later music stops playing. This happens regardless of what settings I use or tweak on the phone. I am pretty Tech Savvy being a Computer programmer for 22 years. And I am really good with droids. But I am officially stumped here.
How could Android do this?
Is there something I am missing?
I have seen numerous threads on other forums about this but most are from streaming... and/or Wi-Fi interruptions. Only 1 post addresses the issue of music stopping even when not streaming such as in my case. It has not been solved.
My music is either on my SD card or my internal phone memory... and this happens constantly.
Note: I even purchased the Nokia just to test Android 9 stopping music, as I wanted to be sure it was not just something with the Google Pixel.
Nope.... It's Android 9.0 - Pie... Killing Music when the phone goes to sleep/hibernates/locks.

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Others are reporting this.
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Android 9 stopping music on it's own

Thank You... This I did not know.
I have seen posts on other sites saying.... a new Samsung phone just purchased had 9.0 already installed and it happened to them.. I have a Google Pixel & a Nokia One.... so I thought most major cell phone makers would all have the same problems if running the new Android version...
Do you know what phones are Not having this issue?
I am testing as many phones as I can.

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That you can find on the web.

I only know of a few Pixel owners on 9 and no complaints there. But given how fragmented Android is, and how no two phones are alike in apps and settings, this is why there's something going on but not 100% of all 9.0 phones.

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Hi, did you find a solution?
Im having the same issue and it's driving me insane!

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Same issue with my Galaxy 9+

Post was last edited on March 16, 2019 2:10 PM PDT

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My Fix

So I had this issue with Amazon Music playing on my Galaxy S9, it would stop playing about a minute after my phone went to sleep. This is how I fixed it.
Opened Settings
Device Care
This gave me a list of apps.
Selected Amazon Music (from the list of apps)
Inside there at the bottom it has a setting called "Put app to sleep" This is an on/off slider. I turned it off and now Amazon music continues to play after my phone goes to sleep.

Hope this helps!

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hi thanks the solution above worked for Youtube music Happy
my Samsung s10 came with Android 9 but security pack 1 'broke' it
after changing battery setting for all affected software (Google music, TY music and spotify) all working with screen off and connected via BT


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Thank you, Walord3!

Your suggestion worked for me. All of a sudden, by Galaxy S9 would stop playing the iHeartRadio app when the phone would go to sleep. I didn't have this problem with Spotify or Google Music. Thank you again!

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Android 9 Stopping Music when Phone Locks

| Do not having any issue like you face in Android 9.

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Android 9 Stopping Music when Phone Locks

Tap "Message," lock your phone, and the audio will continue playing. Another option is to use Jasmine, a free YouTube app for iOS. In Jasmine, play a video, then, lock your phone and click the home button. You should see audio controls at the top of the lock screen.

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Same problem even on Android 8 but after the Aug 2019 update

Seeing same problem while connected to WiFi ONLY.
Works great in 4G.

Wonder why - already checked to allow WiFi & Chrome use on background (Chrome is used to open a site that streams .mp3)

Can anyone who still has a problem test it on WiFi vs. 4G?

What the hell did they do?!

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