On my Samsung S5 I use google play music. I would like to sync it to my husbands Razr Maxx but have no clue how to do so. I am able to turn bluetooth on each and find the devices but not sure what to do after that.
If I totally understand your post, (I may not), the only way I can think of would be if your husband added that account to his phone. Even then I;m not certain it would work.
I am assuming this was in fact Google Music, not some music you had/owned.
I know there is a way to sync phones so that we can share music. My music is music I own. I listen to it using the google play app or the music app that came on my samsung s5. My husbands phone is a droid razr maxx. I want to share my songs with my husband. There is a way to do this using bluetooth but I am not sure how.