I’m damn sure that you love these both the platforms in their own places but, now there is the situation which was confirmed by YouTube head youtube & google play music platform will be combined or they will have to merge these two for sure.
In New york music seminar conference, Youtube head Lyor cohen talked about youtube will be merged with play music to offer one streamlined service.
Also, he mentioned the more important thing that combining YouTube RED and Google Play music and have one offering for your customers. So this can make one subscription for one user and it will be better to use them with one subscription and easy as well.
This is not only the case for now, as per the rumors they are also thinking of Google as well. They are still evaluating options for Google and what further they can do to make it more productive and better for users.